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| WK | LSN | STRAND | SUB-STRAND | LESSON LEARNING OUTCOMES | LEARNING EXPERIENCES | KEY INQUIRY QUESTIONS | LEARNING RESOURCES | ASSESSMENT METHODS | REFLECTION |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 |
Geometry
|
Geometrical Constructions - Construction of parallel lines
Geometrical Constructions - Construction of parallel lines using a set square |
By the end of the
lesson, the learner
should be able to:
-Construct parallel lines using a pair of compasses -Apply parallel line construction in real-life situations -Show interest in constructing parallel lines |
In groups, learners are guided to:
-Draw line AB and point C above the line -With C as center and radius length AB, draw an arc above line AB -With B as center and radius length AC, draw an arc to cut the first arc at D -Join C to D to form a line parallel to AB |
How do we construct polygons?
|
-KLB Grade 8 Mathematics pg. 100
-Pair of compasses -Ruler -Drawing paper -KLB Grade 8 Mathematics pg. 103 -Set square |
-Observation
-Oral questions
-Written assignments
|
|
| 1 | 2 |
Geometry
|
Geometrical Constructions - Construction of perpendicular lines from a point
Geometrical Constructions - Construction of perpendicular lines through a point |
By the end of the
lesson, the learner
should be able to:
-Construct perpendicular lines from a point to a given line -Apply perpendicular construction in solving problems -Show interest in perpendicular lines |
In groups, learners are guided to:
-Draw line AB and point M -With M as center and suitable radius, construct two arcs to cut AB at C and D -Using C and D as centers and suitable radius, construct two arcs on the opposite side to intersect at E -Join M to E through point F on the line |
How do we construct perpendicular lines?
|
-KLB Grade 8 Mathematics pg. 104
-Pair of compasses -Ruler -Drawing paper -KLB Grade 8 Mathematics pg. 105 |
-Observation
-Oral questions
-Written assignments
|
|
| 1 | 3 |
Geometry
|
Geometrical Constructions - Dividing a line proportionally
Geometrical Constructions - Identifying angle properties of polygons |
By the end of the
lesson, the learner
should be able to:
-Divide a line proportionally -Apply proportional division in solving problems -Show interest in proportional division |
In groups, learners are guided to:
-Draw lines AB and AC of convenient lengths -Mark five equal intervals from A along AC -Join the last point to B -Draw lines parallel to this line through the other points -Mark the points where these parallel lines cut AB |
How do we divide a line proportionally?
|
-KLB Grade 8 Mathematics pg. 106
-Pair of compasses -Ruler -Set square -KLB Grade 8 Mathematics pg. 108 -Polygon models -Protractor -Calculator |
-Observation
-Oral questions
-Written assignments
|
|
| 1 | 4 |
Geometry
|
Geometrical Constructions - Construction of a regular triangle
|
By the end of the
lesson, the learner
should be able to:
-Construct a regular triangle -Apply triangle construction in real-life situations -Value the use of regular triangles |
In groups, learners are guided to:
-Construct line PQ of required length -Using P and Q as centers and radius equal to side length, construct two arcs intersecting at R -Join P to R and Q to R -Measure the angles to confirm they are all 60° |
How do we construct regular polygons?
|
-KLB Grade 8 Mathematics pg. 112 -Pair of compasses -Ruler -Protractor |
-Observation
-Oral questions
-Written assignments
|
|
| 1 | 5 |
Geometry
|
Geometrical Constructions - Construction of a regular quadrilateral
Geometrical Constructions - Construction of a regular pentagon |
By the end of the
lesson, the learner
should be able to:
-Construct a regular quadrilateral (square) -Apply square construction in real-life situations -Show interest in regular quadrilaterals |
In groups, learners are guided to:
-Draw line AB of required length -Construct perpendicular lines at A and B -With A as center and radius equal to side length, mark point D on the perpendicular -With B as center and radius equal to side length, mark point C on the perpendicular -Join D to C to complete the square |
What are the applications of regular polygons?
|
-KLB Grade 8 Mathematics pg. 113
-Pair of compasses -Ruler -Set square -KLB Grade 8 Mathematics pg. 114 -Protractor |
-Observation
-Oral questions
-Written tests
|
|
| 2 | 1 |
Geometry
|
Geometrical Constructions - Construction of a regular hexagon
Geometrical Constructions - Construction of irregular polygons |
By the end of the
lesson, the learner
should be able to:
-Calculate interior angles of a regular hexagon -Construct a regular hexagon -Show interest in regular hexagons |
In groups, learners are guided to:
-Find the size of each interior angle of the hexagon (120°) -Draw line PQ of required length -At Q, draw the interior angle PQR with QR equal to side length -Continue the process to locate S, T, and U -Join U to P to complete the hexagon |
What are the properties of a regular hexagon?
|
-KLB Grade 8 Mathematics pg. 115
-Pair of compasses -Ruler -Protractor -KLB Grade 8 Mathematics pg. 117 |
-Observation
-Oral questions
-Written tests
|
|
| 2 | 2 |
Geometry
|
Geometrical Constructions - Construction of circles passing through vertices
Coordinates and Graphs - Drawing and labeling a Cartesian plane |
By the end of the
lesson, the learner
should be able to:
-Construct circles passing through the vertices of a triangle -Find the center and radius of the circle -Show interest in circumcircles |
In groups, learners are guided to:
-Draw the triangle ABC -Construct perpendicular bisectors of AB and AC -Determine the point of intersection O (circumcenter) -With O as center and radius OA, draw a circle -Verify that the circle passes through all vertices |
What is the relationship between a triangle and its circumcircle?
|
-KLB Grade 8 Mathematics pg. 123
-Pair of compasses -Ruler -Protractor -KLB Grade 8 Mathematics pg. 128 -Graph paper -Digital resources |
-Observation
-Oral questions
-Written tests
|
|
| 2 | 3 |
Geometry
|
Coordinates and Graphs - Identifying points on the Cartesian plane
|
By the end of the
lesson, the learner
should be able to:
-Identify points on the Cartesian plane -Read coordinates of points -Value the Cartesian coordinate system |
In groups, learners are guided to:
-Study points plotted on the Cartesian plane -Identify the ordered pairs (x,y) for each point -Discuss how to read coordinates of points in different quadrants -Write coordinates of given points |
What do coordinates tell us about a point's location?
|
-KLB Grade 8 Mathematics pg. 129 -Graph paper -Cartesian plane charts |
-Observation
-Oral questions
-Written tests
|
|
| 2 | 4 |
Geometry
|
Coordinates and Graphs - Plotting points on the Cartesian plane
Coordinates and Graphs - Generating table of values for linear equations |
By the end of the
lesson, the learner
should be able to:
-Plot points on the Cartesian plane -Apply coordinate plotting in real-life situations -Show interest in coordinate systems |
In groups, learners are guided to:
-Draw a Cartesian plane with appropriate scale -Given ordered pairs, locate the x-coordinate on the x-axis -Locate the y-coordinate on the y-axis -Mark the point where the vertical and horizontal lines from these coordinates meet |
Why are coordinates important in real life?
|
-KLB Grade 8 Mathematics pg. 130
-Graph paper -Ruler -Digital resources -KLB Grade 8 Mathematics pg. 131 -Exercise books -Calculator |
-Observation
-Oral questions
-Written assignments
|
|
| 2 | 5 |
Geometry
|
Coordinates and Graphs - Determining appropriate scale
Coordinates and Graphs - Drawing linear graphs (I) |
By the end of the
lesson, the learner
should be able to:
-Determine an appropriate scale for a linear equation -Convert actual values to scale values -Show interest in scale selection |
In groups, learners are guided to:
-Analyze the range of x and y values in the table -Choose a scale that allows all points to fit on the graph paper -Convert actual values to appropriate scale values -Discuss the importance of suitable scales |
How do we choose an appropriate scale?
|
-KLB Grade 8 Mathematics pg. 133
-Graph paper -Calculator -Digital resources -KLB Grade 8 Mathematics pg. 135 -Ruler -Pencil |
-Observation
-Oral questions
-Written assignments
|
|
| 3 | 1 |
Geometry
|
Coordinates and Graphs - Drawing linear graphs (II)
Coordinates and Graphs - Solving simultaneous equations graphically (I) |
By the end of the
lesson, the learner
should be able to:
-Draw linear graphs for different equations -Identify key features of linear graphs -Show interest in graphical representations |
In groups, learners are guided to:
-Generate tables of values for different linear equations -Plot the points on a Cartesian plane -Draw the lines representing the equations -Discuss the gradient and y-intercept of each line |
How does changing the equation affect the graph?
|
-KLB Grade 8 Mathematics pg. 136
-Graph paper -Ruler -Digital resources -KLB Grade 8 Mathematics pg. 137 |
-Observation
-Oral questions
-Written assignments
|
|
| 3 | 2 |
Geometry
|
Coordinates and Graphs - Solving simultaneous equations graphically (II)
|
By the end of the
lesson, the learner
should be able to:
-Solve more complex simultaneous equations -Determine accurate solutions from graphs -Show interest in solution techniques |
In groups, learners are guided to:
-Generate tables of values for equations with different forms -Plot both equations on the same Cartesian plane -Identify the point of intersection with precision -Interpret the meaning of the solution |
What are the advantages of graphical solutions?
|
-KLB Grade 8 Mathematics pg. 138 -Graph paper -Ruler -Calculator |
-Observation
-Oral questions
-Written assignments
|
|
| 3 | 3 |
Geometry
|
Coordinates and Graphs - Applying simultaneous equations in real life (I)
Coordinates and Graphs - Applying simultaneous equations in real life (II) |
By the end of the
lesson, the learner
should be able to:
-Apply simultaneous equations in real-life problems -Form equations from word problems -Value real-life applications |
In groups, learners are guided to:
-Translate word problems into linear equations -Generate tables of values for the equations -Draw the graphs and find the point of intersection -Interpret the solution in the context of the problem |
Where do we use simultaneous equations in real life?
|
-KLB Grade 8 Mathematics pg. 140
-Graph paper -Calculator -Digital resources -KLB Grade 8 Mathematics pg. 141 |
-Observation
-Oral questions
-Written tests
|
|
| 3 | 4 |
Geometry
|
Coordinates and Graphs - Solving practical problems using graphs
Scale Drawing - Representing length to a given scale |
By the end of the
lesson, the learner
should be able to:
-Solve practical problems using graphs -Make decisions based on graphical solutions -Appreciate graphical problem-solving |
In groups, learners are guided to:
-Study practical problems from different contexts -Model the problems using simultaneous equations -Solve graphically and analyze the solutions -Compare graphical solutions with algebraic methods |
Why are graphs useful in problem-solving?
|
-KLB Grade 8 Mathematics pg. 142
-Graph paper -Calculator -Digital resources -KLB Grade 8 Mathematics pg. 143 -Measuring tape/ruler -Various objects -Drawing materials |
-Observation
-Oral questions
-Written tests
|
|
| 3 | 5 |
Geometry
|
Scale Drawing - Converting actual length to scale length
Scale Drawing - Converting scale length to actual length |
By the end of the
lesson, the learner
should be able to:
-Convert actual length to scale length -Apply conversion in real-life situations -Value the importance of scale conversion |
In groups, learners are guided to:
-Measure lengths of objects like classrooms, tables, etc. -Convert actual measurements to scale lengths using different scales -Draw the objects using scale lengths -Compare drawings made with different scales |
Where do we use scale drawing in real life situations?
|
-KLB Grade 8 Mathematics pg. 145
-Measuring tape/ruler -Calculator -Drawing materials -KLB Grade 8 Mathematics pg. 147 -Scale drawings -Ruler |
-Observation
-Oral questions
-Written tests
|
|
| 4 | 1 |
Geometry
|
Scale Drawing - Interpreting linear scales in statement form
|
By the end of the
lesson, the learner
should be able to:
-Interpret linear scales in statement form -Understand statement scales -Value the use of statement scales |
In groups, learners are guided to:
-Analyze diagrams with given actual and scale lengths -Determine the relationship between actual and scale lengths -Express the scale in statement form: "1 cm represents x units" -Apply the scale to find other measurements |
What does a scale statement tell us?
|
-KLB Grade 8 Mathematics pg. 148 -Scale diagrams -Ruler -Calculator |
-Observation
-Oral questions
-Written tests
|
|
| 4 | 2 |
Geometry
|
Scale Drawing - Writing linear scales in statement form
Scale Drawing - Interpreting linear scales in ratio form |
By the end of the
lesson, the learner
should be able to:
-Write linear scales in statement form -Apply statement scales correctly -Show interest in scale representation |
In groups, learners are guided to:
-Study objects with given actual and scale measurements -Calculate the relationship between actual and scale lengths -Express the scale in statement form -Determine actual and scale measurements of other objects using the scale |
How do we create an appropriate scale statement?
|
-KLB Grade 8 Mathematics pg. 149
-Various objects -Measuring tools -Calculator -KLB Grade 8 Mathematics pg. 150 -Scale diagrams -Ruler |
-Observation
-Oral questions
-Written assignments
|
|
| 4 | 3 |
Geometry
|
Scale Drawing - Writing linear scales in ratio form
Scale Drawing - Converting linear scale from statement to ratio form |
By the end of the
lesson, the learner
should be able to:
-Write linear scales in ratio form -Apply ratio scales correctly -Show interest in scale representation |
In groups, learners are guided to:
-Measure actual objects and their scale representations -Convert measurements to the same units -Express the relationship as a ratio in simplest form -Use the ratio to make scale drawings of other objects |
What information does a ratio scale provide?
|
-KLB Grade 8 Mathematics pg. 151
-Various objects -Measuring tools -Calculator -KLB Grade 8 Mathematics pg. 152 -Maps with statement scales -Digital resources |
-Observation
-Oral questions
-Written assignments
|
|
| 4 | 4 |
Geometry
|
Scale Drawing - Converting linear scale from ratio to statement form
Scale Drawing - Making scale drawings (I) |
By the end of the
lesson, the learner
should be able to:
-Convert linear scales from ratio to statement form -Apply conversion in real-life situations -Show interest in different scale forms |
In groups, learners are guided to:
-Study scales in ratio form (1:n) -Determine what unit measurement the ratio represents -Express the scale in statement form (1 cm represents x units) -Verify that both forms represent the same scale |
Why might we need to convert between scale forms?
|
-KLB Grade 8 Mathematics pg. 153
-Maps with ratio scales -Calculator -Digital resources -KLB Grade 8 Mathematics pg. 155 -Drawing paper -Ruler -Various objects |
-Observation
-Oral questions
-Written assignments
|
|
| 4 | 5 |
Geometry
|
Scale Drawing - Making scale drawings (II)
|
By the end of the
lesson, the learner
should be able to:
-Make more complex scale drawings -Apply scale drawing principles -Show interest in scale drawing applications |
In groups, learners are guided to:
-Measure objects with irregular or complex shapes -Choose suitable scales based on drawing space and object size -Convert actual measurements to scale lengths -Create detailed and accurate scale drawings |
How do professionals use scale drawings?
|
-KLB Grade 8 Mathematics pg. 156 -Drawing paper -Ruler -Protractor |
-Observation
-Oral questions
-Written assignments
|
|
| 5 | 1 |
Geometry
|
Scale Drawing - Solving problems using scale drawings
Scale Drawing - Applications of scale drawings |
By the end of the
lesson, the learner
should be able to:
-Solve problems using scale drawings -Determine unknown measurements -Value practical applications of scale drawings |
In groups, learners are guided to:
-Study scale drawings with given scales -Measure parts of the scale drawing -Convert scale measurements to actual measurements -Determine unknown dimensions of actual objects |
Where do we use scale drawing in real life situations?
|
-KLB Grade 8 Mathematics pg. 157
-Scale drawings -Ruler -Calculator -Maps -Blueprint samples -Digital resources |
-Observation
-Oral questions
-Written tests
|
|
| 5 | 2 |
Geometry
|
Common Solids - Identification of common solids
Common Solids - Characteristics of common solids |
By the end of the
lesson, the learner
should be able to:
-Identify common solids from the environment -Classify solids based on properties -Show interest in geometric solids |
In groups, learners are guided to:
-Collect solids of different shapes from the environment -Group them according to their shapes -Count the number of faces, edges, and vertices in each solid -Classify solids as polyhedra or non-polyhedra |
What are common solids?
|
-KLB Grade 8 Mathematics pg. 158
-Common solid objects -Digital resources -KLB Grade 8 Mathematics pg. 160 -Solid models |
-Observation
-Oral questions
-Written assignments
|
|
| 5 | 3 |
Geometry
|
Common Solids - Nets of cube and cuboid
Common Solids - Nets of pyramids |
By the end of the
lesson, the learner
should be able to:
-Sketch nets of cubes and cuboids -Understand the relationship between nets and solids -Show interest in nets of solids |
In groups, learners are guided to:
-Use boxes with open tops for the activity -Cut along edges and spread out the faces -Sketch the shape of the spread faces -Identify different possible nets for the same solid |
How do we use common solids in real life?
|
-KLB Grade 8 Mathematics pg. 161
-Cardboard boxes -Scissors -Drawing materials -KLB Grade 8 Mathematics pg. 163 -Pyramid models |
-Observation
-Oral questions
-Written assignments
|
|
| 5 | 4 |
Geometry
|
Common Solids - Nets of cylinders
|
By the end of the
lesson, the learner
should be able to:
-Sketch nets of cylinders -Understand the components of cylinders -Show interest in cylinder properties |
In groups, learners are guided to:
-Examine cylindrical objects -Identify the components (circular bases and curved surface) -Draw the net showing the rectangular curved surface and circular bases -Calculate dimensions of the rectangular part from the cylinder's radius and height |
How does a cylinder's net relate to its dimensions?
|
-KLB Grade 8 Mathematics pg. 164 -Cylindrical objects -Ruler -Drawing materials |
-Observation
-Oral questions
-Written assignments
|
|
| 5 | 5 |
Geometry
|
Common Solids - Nets of cones
Common Solids - Surface area of cubes |
By the end of the
lesson, the learner
should be able to:
-Sketch nets of cones -Understand the components of cones -Value the relationship between nets and solids |
In groups, learners are guided to:
-Examine conical objects -Identify the components (circular base and curved surface) -Draw the net showing the sector for curved surface and circular base -Calculate the sector angle based on slant height and radius |
What determines the shape of a cone's net?
|
-KLB Grade 8 Mathematics pg. 166
-Conical objects -Compass -Drawing materials -Cube models -Calculator |
-Observation
-Oral questions
-Written tests
|
|
| 6 | 1 |
Geometry
|
Common Solids - Surface area of cuboids
Common Solids - Surface area of cylinders |
By the end of the
lesson, the learner
should be able to:
-Work out surface area of cuboids from nets -Apply the formula for cuboid surface area -Value surface area applications |
In groups, learners are guided to:
-Draw nets of cuboids with given dimensions -Calculate the area of each rectangular face -Find the sum of areas of all faces -Derive and apply the formula: SA = 2(lb + lh + bh) |
What's the relationship between dimensions and surface area?
|
-KLB Grade 8 Mathematics pg. 168
-Cuboid models -Calculator -Drawing materials -KLB Grade 8 Mathematics pg. 170 -Cylinder models |
-Observation
-Oral questions
-Written tests
|
|
| 6 | 2 |
Geometry
|
Common Solids - Surface area of triangular prisms
Common Solids - Distance between points on solid surfaces |
By the end of the
lesson, the learner
should be able to:
-Work out surface area of triangular prisms -Apply appropriate formulas -Value the properties of prisms |
In groups, learners are guided to:
-Draw nets of triangular prisms with given dimensions -Calculate the area of the triangular bases -Calculate the area of the rectangular lateral faces -Find the sum of areas of all faces |
What factors affect a prism's surface area?
|
-KLB Grade 8 Mathematics pg. 171
-Triangular prism models -Calculator -Drawing materials -KLB Grade 8 Mathematics pg. 172 -Solid models -Ruler -String |
-Observation
-Oral questions
-Written tests
|
|
| 6 | 3 |
Geometry
|
Common Solids - More on distance between points
|
By the end of the
lesson, the learner
should be able to:
-Solve complex problems involving distance on solid surfaces -Apply problem-solving strategies -Value geometric reasoning |
In groups, learners are guided to:
-Study complex paths between points on different faces -Draw nets showing the points and the path between them -Calculate distances on different parts of the path -Find the total distance of the path |
How do we determine the shortest path between points?
|
-KLB Grade 8 Mathematics pg. 174 -Solid models -String -Calculator |
-Observation
-Oral questions
-Written tests
|
|
| 6 | 4 |
Geometry
|
Common Solids - Making models of hollow solids
Common Solids - Making skeleton models |
By the end of the
lesson, the learner
should be able to:
-Make models of hollow solids -Apply knowledge of nets -Show interest in model making |
In groups, learners are guided to:
-Draw nets of solids on paper or cardboard -Cut out the nets along outlines -Fold along internal lines -Use glue or tape to join edges -Create hollow models of various solids |
How do architects and designers use geometric models?
|
-KLB Grade 8 Mathematics pg. 175
-Paper/cardboard -Scissors -Glue/tape -KLB Grade 8 Mathematics pg. 176 -Straws/wires -Clay/adhesive |
-Observation
-Oral questions
-Model creation
|
|
| 6 | 5 |
Geometry
|
Common Solids - Making compact solid models
Common Solids - Applications of solids |
By the end of the
lesson, the learner
should be able to:
-Make compact solid models -Apply geometric knowledge -Show interest in solid models |
In groups, learners are guided to:
-Use plasticine, clay, or other moldable materials -Create models of various solids -Use hollow models as molds for compact models -Compare different types of models |
How do we use common solids in real life?
|
-KLB Grade 8 Mathematics pg. 177
-Clay/plasticine -Containers -Tools for molding -Sample objects -Digital resources -Models |
-Observation
-Oral questions
-Model creation
|
|
| 7 | 1 |
Data Handling and Probability
|
Data Presentation and Interpretation - Drawing bar graphs
Data Presentation and Interpretation - Interpreting bar graphs |
By the end of the
lesson, the learner
should be able to:
-Draw bar graphs of data from real-life situations -Apply appropriate scales in drawing graphs -Show interest in bar graphs |
In groups, learners are guided to:
-Collect data on birth months of class members -Record data in a table -Choose a suitable scale for the graph -Draw bar graphs to represent the data -Compare graphs with other groups |
What are the different ways of representing data?
|
-KLB Grade 8 Mathematics pg. 178
-Graph paper -Ruler -Colored pencils -KLB Grade 8 Mathematics pg. 180 -Bar graph charts -Digital resources |
-Observation
-Oral questions
-Written assignments
|
|
| 7 | 2 |
Data Handling and Probability
|
Data Presentation and Interpretation - Drawing line graphs
|
By the end of the
lesson, the learner
should be able to:
-Draw line graphs of given data from real-life situations -Apply appropriate scales in line graphs -Show interest in line graph representation |
In groups, learners are guided to:
-Collect data on temperature at different times of day -Record data in a table -Choose a suitable scale for axes -Plot points accurately -Join points with straight lines to create a line graph |
How do we represent continuous data?
|
-KLB Grade 8 Mathematics pg. 183 -Graph paper -Ruler -Colored pencils |
-Observation
-Oral questions
-Written assignments
|
|
| 7 | 3 |
Data Handling and Probability
|
Data Presentation and Interpretation - Interpreting line graphs
Data Presentation and Interpretation - Identifying the mode |
By the end of the
lesson, the learner
should be able to:
-Interpret line graphs of data from real-life situations -Extract information from line graphs -Value the use of line graphs in data analysis |
In groups, learners are guided to:
-Study line graphs showing journeys, prices, etc. -Identify trends, highest and lowest points -Calculate changes between points -Answer questions based on information in the graphs |
How do we determine the mean of data?
|
-KLB Grade 8 Mathematics pg. 185
-Line graph charts -Digital resources -KLB Grade 8 Mathematics pg. 187 -Data sets -Calculator |
-Observation
-Oral questions
-Written tests
|
|
| 7 | 4 |
Data Handling and Probability
|
Data Presentation and Interpretation - Mode of grouped data
Data Presentation and Interpretation - Calculating the mean |
By the end of the
lesson, the learner
should be able to:
-Find the mode of grouped data -Create frequency tables -Value the mode as a measure of central tendency |
In groups, learners are guided to:
-Organize data sets into frequency tables -Count occurrences of each value -Identify the value with highest frequency -Discuss the significance of mode in data analysis |
Why is the mode important in data analysis?
|
-KLB Grade 8 Mathematics pg. 190
-Data sets -Calculator -Digital resources -KLB Grade 8 Mathematics pg. 192 |
-Observation
-Oral questions
-Written tests
|
|
| 7 | 5 |
Data Handling and Probability
|
Data Presentation and Interpretation - Mean of grouped data
Data Presentation and Interpretation - Determining the median |
By the end of the
lesson, the learner
should be able to:
-Calculate the mean of grouped data -Apply frequency tables in mean calculation -Value the mean as a measure of central tendency |
In groups, learners are guided to:
-Create frequency tables for data sets -Multiply each value by its frequency -Find the sum of products -Divide by the total frequency (number of items) |
How do we calculate the mean of large data sets?
|
-KLB Grade 8 Mathematics pg. 193
-Data sets -Calculator -Digital resources -KLB Grade 8 Mathematics pg. 195 |
-Observation
-Oral questions
-Written tests
|
|
| 8 | 1 |
Data Handling and Probability
|
Data Presentation and Interpretation - Applications of measures of central tendency
|
By the end of the
lesson, the learner
should be able to:
-Apply mean, median and mode in real-life contexts -Compare different measures of central tendency -Value data analysis in decision-making |
In groups, learners are guided to:
-Apply all three measures (mean, median, mode) to data sets -Compare the results and identify differences -Discuss when each measure is most appropriate -Analyze real-life data using appropriate measures |
How do we choose the right measure of central tendency?
|
-KLB Grade 8 Mathematics pg. 196 -Real-life data sets -Calculator -Digital resources |
-Observation
-Oral questions
-Written tests
|
|
| 8 | 2 |
Data Handling and Probability
|
Probability - Identifying events involving chance
Probability - Performing chance experiments |
By the end of the
lesson, the learner
should be able to:
-Identify events involving chance in real-life situations -Classify events based on likelihood -Show interest in probability concepts |
In groups, learners are guided to:
-Classify events as likely, unlikely, must happen, or cannot happen -Discuss examples from daily life -Compare classifications with other groups -Recognize events that involve chance |
When do we consider chances that an event is likely to happen?
|
-KLB Grade 8 Mathematics pg. 197
-Event cards -Digital resources -KLB Grade 8 Mathematics pg. 198 -Coins -Dice -Spinner wheels |
-Observation
-Oral questions
-Written assignments
|
|
| 8 | 3 |
Data Handling and Probability
|
Probability - Writing experimental probability outcomes
Probability - Expressing probability outcomes in fractions |
By the end of the
lesson, the learner
should be able to:
-Write the experimental probability outcomes -Record frequency of different outcomes -Show interest in experimental probability |
In groups, learners are guided to:
-Toss a fair dice multiple times -Record the outcomes in a frequency table -Calculate relative frequency of each outcome -Compare experimental results with theoretical expectations |
Why is probability important in real life situations?
|
-KLB Grade 8 Mathematics pg. 199
-Dice -Cards -Tally charts -KLB Grade 8 Mathematics pg. 200 -Coins -Recording sheets |
-Observation
-Oral questions
-Written assignments
|
|
| 8 | 4 |
Data Handling and Probability
|
Probability - Expressing probability in decimals
Probability - Expressing probability in percentages |
By the end of the
lesson, the learner
should be able to:
-Express probability outcomes in decimals -Convert between fractions and decimals in probability -Show interest in decimal representation |
In groups, learners are guided to:
-Conduct experiments with cards, spinners, etc. -Express probability outcomes as fractions -Convert fractions to decimals -Compare decimal representations of different events |
What does a decimal probability value tell us?
|
-KLB Grade 8 Mathematics pg. 202
-Cards -Spinner wheels -Calculator -KLB Grade 8 Mathematics pg. 203 -Dice |
-Observation
-Oral questions
-Written assignments
|
|
| 8 | 5 |
Data Handling and Probability
|
Probability - Applications in real life
|
By the end of the
lesson, the learner
should be able to:
-Apply probability concepts in real-life situations -Solve problems involving probability -Value the importance of probability in decision-making |
In groups, learners are guided to:
-Discuss real-life applications of probability -Analyze situations involving chance -Calculate probability in various contexts -Use probability to make predictions |
How is probability used in everyday life?
|
-KLB Grade 8 Mathematics pg. 204 -Real-life scenarios -Digital resources -Calculator |
-Observation
-Oral questions
-Written assignments
|
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