MEASUREMENT

Mass - Identifying the gram as a unit of measuring mass

By the end of the lesson, the learner should be able to:
What is the importance of measuring mass?

By the end of the lesson, the learner should be able to:
- Identify the gram as a unit of measuring mass in real life
- Appreciate the use of grams in measuring mass in real life

In groups and individually, learners are guided to: - Discuss in groups, scoop sand or soil using a teaspoon and explain that the amount scooped is about 5 grams - Divide the amount scooped into 5 equal groups, each being about one gram - Identify where grams are used to measure mass in real life

- Mentor Mathematics learners book grade 5 page 153-154
- Teaspoons
- Sand or soil
- Electronic/manual weighing machine

- Oral questions - Written exercises - Observation

MEASUREMENT

Mass - Measuring mass in grams (1)

By the end of the lesson, the learner should be able to:
What is the importance of measuring mass?

By the end of the lesson, the learner should be able to:
- Measure mass in grams in different situations
- Appreciate measuring mass in grams in real life

In groups and individually, learners are guided to: - Use an electronic or a manual weighing machine to measure mass of sand or soil in grams - Measure the mass of different small objects in grams

- Mentor Mathematics learners book grade 5 page 155
- Electronic/manual weighing machine
- Various small objects
- Sand or soil

- Oral questions - Written exercises - Observation - Practical assessment

MEASUREMENT

Mass - Measuring mass in grams (1)

By the end of the lesson, the learner should be able to:
What is the importance of measuring mass?

By the end of the lesson, the learner should be able to:
- Measure mass in grams in different situations
- Appreciate measuring mass in grams in real life

In groups and individually, learners are guided to: - Use an electronic or a manual weighing machine to measure mass of sand or soil in grams - Measure the mass of different small objects in grams

- Mentor Mathematics learners book grade 5 page 155
- Electronic/manual weighing machine
- Various small objects
- Sand or soil

- Oral questions - Written exercises - Observation - Practical assessment

MEASUREMENT

Mass - Measuring mass in grams (2)

By the end of the lesson, the learner should be able to:
What is the importance of measuring mass?

By the end of the lesson, the learner should be able to:
- Measure mass in grams accurately
- Record and compare measurements
- Appreciate measuring mass in grams in real life

In groups and individually, learners are guided to: - Watch a video on measuring mass in grams - Measure the mass of various classroom objects in grams - Record and compare their measurements - Discuss the importance of accurate measurement

- Mentor Mathematics learners book grade 5 page 156
- Electronic/manual weighing machine
- Various small objects
- Digital devices
- Videos

- Oral questions - Written exercises - Observation - Practical assessment

MEASUREMENT

Mass - Estimating and measuring mass in grams (1)

By the end of the lesson, the learner should be able to:
What is the importance of measuring mass?

By the end of the lesson, the learner should be able to:
- Estimate mass in grams in different situations
- Appreciate estimating mass in real life

In groups and individually, learners are guided to: - Estimate the mass of different items in grams - Discuss strategies for estimating mass - Compare their estimates with each other

- Mentor Mathematics learners book grade 5 page 157
- Electronic/manual weighing machine
- Various small objects

- Oral questions - Written exercises - Observation - Practical assessment

MEASUREMENT

Mass - Estimating and measuring mass in grams (2)

By the end of the lesson, the learner should be able to:
What is the importance of measuring mass?

By the end of the lesson, the learner should be able to:
- Measure estimated mass and compare with actual measurements
- Appreciate the importance of accurate measurement

In groups and individually, learners are guided to: - Measure the actual mass of items they estimated - Compare their estimates with actual measurements - Discuss the accuracy of their estimates and how to improve

- Mentor Mathematics learners book grade 5 page 158
- Electronic/manual weighing machine
- Beam balance
- Various small objects

- Oral questions - Written exercises - Observation - Practical assessment

MEASUREMENT

Mass - Relationship between kilogram and gram

By the end of the lesson, the learner should be able to:
What is the importance of measuring mass?

By the end of the lesson, the learner should be able to:
- Identify the relationship between the kilogram and the gram in real life situations
- Appreciate the relationship between kilogram and gram

In groups and individually, learners are guided to: - Establish the relationship between the kilogram and the gram using a beam balance or electronic weighing machine (1 kg = 1,000 g) - Use a 100 g container to fill one side of a beam balance until it balances with 1 kg - Discuss the relationship and its application in real life

- Mentor Mathematics learners book grade 5 page 159
- 1 kg mass
- 100 g containers
- Beam balance
- Electronic weighing machine

- Oral questions - Written exercises - Observation - Practical assessment

MEASUREMENT

Mass - Relationship between kilogram and gram

By the end of the lesson, the learner should be able to:
What is the importance of measuring mass?

By the end of the lesson, the learner should be able to:
- Identify the relationship between the kilogram and the gram in real life situations
- Appreciate the relationship between kilogram and gram

In groups and individually, learners are guided to: - Establish the relationship between the kilogram and the gram using a beam balance or electronic weighing machine (1 kg = 1,000 g) - Use a 100 g container to fill one side of a beam balance until it balances with 1 kg - Discuss the relationship and its application in real life

- Mentor Mathematics learners book grade 5 page 159
- 1 kg mass
- 100 g containers
- Beam balance
- Electronic weighing machine

- Oral questions - Written exercises - Observation - Practical assessment

MEASUREMENT

Mass - Converting kilograms to grams and vice versa (1)

By the end of the lesson, the learner should be able to:
What is the importance of measuring mass?

By the end of the lesson, the learner should be able to:
- Convert kilograms to grams in real life situations
- Apply conversion in solving problems

In groups and individually, learners are guided to: - Convert kilograms to grams using the relationship 1 kg = 1,000 g - Solve problems involving conversion of kilograms to grams - Apply conversion in real-life problems

- Mentor Mathematics learners book grade 5 page 160-161
- Conversion charts
- Digital devices

- Oral questions - Written exercises - Assessment rubrics

MEASUREMENT

Mass - Converting kilograms to grams and vice versa (2)

By the end of the lesson, the learner should be able to:
What is the importance of measuring mass?

By the end of the lesson, the learner should be able to:
- Convert grams to kilograms in real life situations
- Apply conversion in solving problems

In groups and individually, learners are guided to: - Convert grams to kilograms using the relationship 1 kg = 1,000 g - Solve problems involving conversion of grams to kilograms - Apply conversion in real-life problems

- Mentor Mathematics learners book grade 5 page 162
- Conversion charts
- Digital devices

- Oral questions - Written exercises - Assessment rubrics

MEASUREMENT

Mass - Addition of grams and kilograms

By the end of the lesson, the learner should be able to:
How do we apply addition of mass in real life?

By the end of the lesson, the learner should be able to:
- Add grams and kilograms in real life situations
- Solve problems involving addition of grams and kilograms

In groups and individually, learners are guided to: - Add grams and kilograms with regrouping - Solve real-life problems involving addition of grams and kilograms - Calculate total mass in practical situations

- Mentor Mathematics learners book grade 5 page 163-164
- Digital devices

- Oral questions - Written exercises - Assessment rubrics

MEASUREMENT

Mass - Subtraction of grams and kilograms

By the end of the lesson, the learner should be able to:
How do we apply subtraction of mass in real life?

By the end of the lesson, the learner should be able to:
- Subtract grams and kilograms in real life situations
- Solve problems involving subtraction of grams and kilograms

In groups and individually, learners are guided to: - Subtract grams and kilograms with regrouping - Solve real-life problems involving subtraction of grams and kilograms - Calculate remaining mass in practical situations

- Mentor Mathematics learners book grade 5 page 165-166
- Digital devices

- Oral questions - Written exercises - Assessment rubrics

MEASUREMENT

Mass - Subtraction of grams and kilograms

By the end of the lesson, the learner should be able to:
How do we apply subtraction of mass in real life?

By the end of the lesson, the learner should be able to:
- Subtract grams and kilograms in real life situations
- Solve problems involving subtraction of grams and kilograms

In groups and individually, learners are guided to: - Subtract grams and kilograms with regrouping - Solve real-life problems involving subtraction of grams and kilograms - Calculate remaining mass in practical situations

- Mentor Mathematics learners book grade 5 page 165-166
- Digital devices

- Oral questions - Written exercises - Assessment rubrics

MEASUREMENT

Mass - Multiplication of grams and kilograms by whole numbers

By the end of the lesson, the learner should be able to:
How do we apply multiplication of mass in real life?

By the end of the lesson, the learner should be able to:
- Multiply grams and kilograms by whole numbers in real life situations
- Solve problems involving multiplication of grams and kilograms

In groups and individually, learners are guided to: - Multiply grams and kilograms by whole numbers - Solve real-life problems involving multiplication of grams and kilograms - Calculate total mass of multiple items

- Mentor Mathematics learners book grade 5 page 167-168
- Multiplication tables
- Digital devices

- Oral questions - Written exercises - Assessment rubrics

MEASUREMENT

Mass - Division of grams and kilograms by whole numbers

By the end of the lesson, the learner should be able to:
How do we apply division of mass in real life?

By the end of the lesson, the learner should be able to:
- Divide grams and kilograms by whole numbers in real life situations
- Solve problems involving division of grams and kilograms

In groups and individually, learners are guided to: - Divide grams and kilograms by whole numbers - Solve real-life problems involving division of grams and kilograms - Calculate mass shared equally among containers or groups

- Mentor Mathematics learners book grade 5 page 169-170
- Digital devices

- Oral questions - Written exercises - Assessment rubrics

MEASUREMENT

Time - Identifying the second as a unit of measuring time

By the end of the lesson, the learner should be able to:
How can we read and tell time?

By the end of the lesson, the learner should be able to:
- Identify the second as a unit of measuring time through second hand
- Appreciate use of seconds as units of measuring time in real life

In groups and individually, learners are guided to: - Discuss and identify second hand from a clock - Carry out activities taking 10 seconds; let learners relate the activities to what can be done in one-tenth of the time taken to do the activity; the time taken is 1 second - Measure time taken to do various activities in seconds

- Mentor Mathematics learners book grade 5 page 171
- Analogue clocks
- Digital clocks
- Stopwatches
- Digital devices

- Oral questions - Written exercises - Observation - Practical assessment

MEASUREMENT

Time - Identifying the second as a unit of measuring time

By the end of the lesson, the learner should be able to:
How can we read and tell time?

By the end of the lesson, the learner should be able to:
- Identify the second as a unit of measuring time through second hand
- Appreciate use of seconds as units of measuring time in real life

In groups and individually, learners are guided to: - Discuss and identify second hand from a clock - Carry out activities taking 10 seconds; let learners relate the activities to what can be done in one-tenth of the time taken to do the activity; the time taken is 1 second - Measure time taken to do various activities in seconds

- Mentor Mathematics learners book grade 5 page 171
- Analogue clocks
- Digital clocks
- Stopwatches
- Digital devices

- Oral questions - Written exercises - Observation - Practical assessment

MEASUREMENT

Time - Relationship between minute and second

By the end of the lesson, the learner should be able to:
How can we read and tell time?

By the end of the lesson, the learner should be able to:
- Identify the relationship between the minute and the second in real life situations
- Appreciate the relationship between minutes and seconds

In groups and individually, learners are guided to: - Establish the relationship between seconds and minute using a clock or stopwatch (1 minute = 60 seconds) - Measure time taken to do various activities in seconds and minutes - Discuss the relationship and its application in real life

- Mentor Mathematics learners book grade 5 page 172
- Analogue clocks
- Digital clocks
- Stopwatches
- Digital devices

- Oral questions - Written exercises - Observation - Practical assessment

MEASUREMENT

Time - Converting minutes to seconds and vice versa (1)

By the end of the lesson, the learner should be able to:
How can we read and tell time?

By the end of the lesson, the learner should be able to:
- Convert minutes to seconds in real life
- Apply conversion in solving problems

In groups and individually, learners are guided to: - Convert minutes to seconds using the relationship 1 minute = 60 seconds - Solve problems involving conversion of minutes to seconds - Apply conversion in real-life problems

- Mentor Mathematics learners book grade 5 page 173
- Conversion charts
- Digital devices
- Clocks
- Stopwatches

- Oral questions - Written exercises - Assessment rubrics

MEASUREMENT

Time - Converting minutes to seconds and vice versa (2)

By the end of the lesson, the learner should be able to:
How can we read and tell time?

By the end of the lesson, the learner should be able to:
- Convert seconds to minutes in real life
- Apply conversion in solving problems

In groups and individually, learners are guided to: - Convert seconds to minutes using the relationship 1 minute = 60 seconds - Solve problems involving conversion of seconds to minutes - Apply conversion in real-life problems

- Mentor Mathematics learners book grade 5 page 174
- Conversion charts
- Digital devices
- Clocks
- Stopwatches

- Oral questions - Written exercises - Assessment rubrics

MEASUREMENT

Time - Addition of minutes and seconds with conversion

By the end of the lesson, the learner should be able to:
How can we apply addition of time in real life?

By the end of the lesson, the learner should be able to:
- Add minutes and seconds with conversion in real life situations
- Solve problems involving addition of minutes and seconds

In groups and individually, learners are guided to: - Add minutes and seconds with regrouping - Solve real-life problems involving addition of minutes and seconds - Calculate total time in practical situations

- Mentor Mathematics learners book grade 5 page 175-176
- Digital devices
- Clocks
- Stopwatches

- Oral questions - Written exercises - Assessment rubrics

MEASUREMENT

Time - Addition of minutes and seconds with conversion

By the end of the lesson, the learner should be able to:
How can we apply addition of time in real life?

By the end of the lesson, the learner should be able to:
- Add minutes and seconds with conversion in real life situations
- Solve problems involving addition of minutes and seconds

In groups and individually, learners are guided to: - Add minutes and seconds with regrouping - Solve real-life problems involving addition of minutes and seconds - Calculate total time in practical situations

- Mentor Mathematics learners book grade 5 page 175-176
- Digital devices
- Clocks
- Stopwatches

- Oral questions - Written exercises - Assessment rubrics

MEASUREMENT

Time - Subtraction of minutes and seconds with conversion

By the end of the lesson, the learner should be able to:
How can we apply subtraction of time in real life?

By the end of the lesson, the learner should be able to:
- Subtract minutes and seconds with conversion in real life situations
- Solve problems involving subtraction of minutes and seconds

In groups and individually, learners are guided to: - Subtract minutes and seconds with regrouping - Solve real-life problems involving subtraction of minutes and seconds - Calculate time differences in practical situations

- Mentor Mathematics learners book grade 5 page 177-178
- Digital devices
- Clocks
- Stopwatches

- Oral questions - Written exercises - Assessment rubrics

MEASUREMENT

Time - Multiplication of minutes and seconds by whole numbers

By the end of the lesson, the learner should be able to:
How can we apply multiplication of time in real life?

By the end of the lesson, the learner should be able to:
- Multiply minutes and seconds by whole numbers in real life situations
- Solve problems involving multiplication of minutes and seconds

In groups and individually, learners are guided to: - Multiply minutes and seconds by whole numbers - Solve real-life problems involving multiplication of minutes and seconds - Calculate total time for repeated activities

- Mentor Mathematics learners book grade 5 page 178
- Multiplication tables
- Digital devices
- Clocks
- Stopwatches

- Oral questions - Written exercises - Assessment rubrics

MEASUREMENT

Time - Division of minutes and seconds by whole numbers

By the end of the lesson, the learner should be able to:
How can we apply division of time in real life?

By the end of the lesson, the learner should be able to:
- Divide minutes and seconds by whole numbers in real life situations
- Solve problems involving division of minutes and seconds

In groups and individually, learners are guided to: - Divide minutes and seconds by whole numbers - Solve real-life problems involving division of minutes and seconds - Calculate time taken for sharing activities equally

- Mentor Mathematics learners book grade 5 page 179
- Digital devices
- Clocks
- Stopwatches

- Oral questions - Written exercises - Assessment rubrics

DATA HANDLING

Data collection

By the end of the lesson, the learner should be able to:

- Collect data of about 30 items relating to real experiences
- Identify suitable techniques for collecting data from the environment
- Appreciate the importance of data collection in daily life

The learner is guided to:
- Discuss in groups the meaning of data collection
- Collect data involving day-to-day experiences such as marks, shoe sizes, and ages of learners in class
- Share their collected data with other learners
- Identify methods used to collect data
- Play digital games involving data collection

Why do we collect data?

- Mentor Mathematics Learner's Book Grade 5 page 211
- Data collection forms
- Digital devices
- Number cards

- Observation - Oral questions - Written exercise - Group discussion

DATA HANDLING

Drawing tables to record data
Drawing tally marks of collected data

By the end of the lesson, the learner should be able to:

- Draw a table to record data
- Organize collected data in tabular form
- Appreciate the use of tables in organizing data

The learner is guided to:
- Prepare data collection and recording tools
- Record data on books or charts
- Organize data in a table from real-life situations
- Discuss information represented in tables
- Use digital devices and other resources to learn more about representing data in tables

Why is representing data in tables important?

- Mentor Mathematics Learner's Book Grade 5 page 212
- Manila papers/charts
- Data collection forms
- Digital devices
- Mentor Mathematics Learner's Book Grade 5 page 213
- Small sticks
- Data sheets

- Observation - Oral questions - Written exercise - Project

DATA HANDLING

Preparing frequency tables

By the end of the lesson, the learner should be able to:

- Prepare a frequency table to represent data
- Count frequencies of items in collected data
- Appreciate the use of frequency tables in data representation

The learner is guided to:
- Use small sticks to show frequency of items
- Count the number of tally marks for each item
- Record frequencies in a table
- Prepare frequency tables for different data sets
- Share their work with other groups
- Use digital devices to learn more about frequency tables

What is the importance of frequency tables?

- Mentor Mathematics Learner's Book Grade 5 page 214
- Small sticks
- Data sheets
- Digital devices

- Observation - Oral questions - Written exercise - Project

DATA HANDLING

Interpreting data from frequency tables

By the end of the lesson, the learner should be able to:

- Interpret data represented by frequency tables
- Draw conclusions from data in frequency tables
- Appreciate the use of frequency tables in analyzing data

The learner is guided to:
- Identify the highest and lowest frequencies in tables
- Determine differences between frequencies
- Calculate the total frequency from a frequency table
- Discuss the meaning of information presented in frequency tables
- Share their interpretations with other groups

How do we interpret information from frequency tables?

- Mentor Mathematics Learner's Book Grade 5 page 216
- Frequency tables
- Charts with frequency tables
- Digital devices
- Mentor Mathematics Learner's Book Grade 5 page 218

- Observation - Oral questions - Written exercise - Group discussion

DATA HANDLING

Interpreting data from frequency tables

By the end of the lesson, the learner should be able to: