Class: Primary 1
Term: 2nd Term
Week: 7
Age: 6 years
Duration: 45 minutes
Subject: Mathematics
Curriculum Theme: Measurement
Previous Lesson: Length, Value of Length.
Topic: Capacity
Subject Matter: Idea of capacity as way of measuring liquid, grains, sand, Units of measuring capacity, Identifying different sizes of objects

Specific Objectives

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

Cognitive Domain:

Explain the idea of capacity as a way of measuring liquids, grains, or sand.
Identify simple units used for measuring capacity.

Affective Domain:

Appreciate the importance of measuring capacity in daily life.
Show interest in practical activities involving capacity.

Psychomotor Domain:

Gather containers of different sizes and volumes.
Fetch water or sand to fill various containers.
Identify which containers hold more or less.

Work cooperatively in groups to explore the concept of capacity.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum
State Unified Scheme of Work
New General Mathematics for Primary 1

Instructional Materials

The teacher will teach this lesson with the aid of:

Various containers (e.g., bottles, cups, bowls, buckets of different sizes)
Water, sand, or grains
Measuring cups or jugs (optional, for demonstration of standard units)
Chart showing pictures of different containers and their uses

Rationale for the Lesson

Understanding capacity helps pupils to measure and compare quantities of liquids, grains, or sand in everyday situations. This lesson enables pupils to grasp a fundamental concept of measurement, which is useful for daily tasks like cooking, buying items, and understanding volume in practical contexts.

Prerequisite/Previous Knowledge

Pupils can identify different objects and understand basic comparative terms like “big” and “small” or “more” and “less”.

Lesson Content/Board Summary

Capacity

Idea of Capacity

Capacity is the amount that a container can hold. It is used to measure liquids (like water, milk, juice), grains (like rice, beans), or sand. When a container is full, it means it has reached its capacity.

Units of Measuring Capacity

We use different units to measure capacity. Some common units you see every day are:

Cup: Used for smaller amounts, like a cup of water.
Bottle: Used for liquids, like a bottle of soft drink.
Bowl: Used for serving food or holding liquids.
Bucket: Used for larger amounts, like a bucket of water.
Litre (L): This is a standard unit for measuring liquids. You might see it on milk cartons or juice bottles.

Identifying Different Sizes of Objects

Containers come in different sizes. Some containers can hold more, and some can hold less.

A large bottle holds more water than a small cup.
A big bucket holds more sand than a small bowl.
We can compare containers to see which one has a larger or smaller capacity.

Teaching Methods/Instructional Techniques

Discussion, Lecture, Demonstration, Question and Answer, Visual Aids

Instructional Procedures

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: The teacher greets the pupils and asks them what they drink daily (e.g., water, juice, milk). The teacher then asks how they know if a bottle or cup is full or empty.
Pupils’ Activity: Pupils respond to the questions and share their experiences with drinks.
Learning Point: Pupils are introduced to the concept of containers holding liquids.

Step 2: Explanation of Capacity

Time: 7 minutes
Teaching Skill: Explanation/Demonstration
Teacher’s Activity: The teacher defines capacity as the amount a container can hold, using simple language. The teacher shows different containers and explains that capacity is how much liquid, sand, or grains can fit inside.
Pupils’ Activity: Pupils listen attentively and observe the different containers.
Learning Point: Pupils understand the basic idea of capacity.

Step 3: Practical Demonstration with Water/Sand

Time: 10 minutes
Teaching Skill: Demonstration/Activity
Teacher’s Activity: The teacher demonstrates by pouring water from a small cup into a larger bottle, showing how the cup fills the bottle partially. The teacher then uses sand or grains to fill different containers, asking which one holds “more” or “less.”
Pupils’ Activity: Pupils watch the demonstration and actively participate by answering “more” or “less.”
Learning Point: Pupils observe capacity in action and begin to compare volumes.

Step 4: Introducing Units of Capacity

Time: 7 minutes
Teaching Skill: Explanation/Visual Aids
Teacher’s Activity: The teacher introduces simple units like ‘cup,’ ‘bottle,’ ‘bowl,’ ‘bucket,’ and ‘litre’ using a chart or actual items. The teacher explains that ‘litre’ is a standard way to measure.
Pupils’ Activity: Pupils identify the different units and repeat their names.
Learning Point: Pupils learn about common units used to measure capacity.

Step 5: Group Activity – Comparing Container Sizes

Time: 8 minutes
Teaching Skill: Group Work/Observation
Teacher’s Activity: The teacher divides pupils into small groups and provides each group with a selection of different sized empty containers. The teacher instructs them to arrange the containers from the one that holds the least to the one that holds the most.
Pupils’ Activity: Pupils work in their groups to arrange the containers based on their estimated capacity.
Learning Point: Pupils develop practical skills in comparing and ordering capacities.

Step 6: Filling and Comparing

Time: 5 minutes
Teaching Skill: Guided Practice
Teacher’s Activity: The teacher guides groups to fill two different containers (e.g., a cup and a small bottle) with water or sand, asking them to identify which one holds more and which holds less.
Pupils’ Activity: Pupils fill the containers and state their observations about which container holds more or less.
Learning Point: Pupils reinforce their understanding of comparing capacities through direct experience.

Step 7: Evaluation/Review

Time: 5 minutes
Teaching Skill: Questioning/Assessment
Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

What is capacity?
Mention two things we can measure using capacity.
Name two units of capacity that you know.
Which holds more water, a small cup or a big bucket?

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Pupils demonstrate understanding of the lesson.

Step 8: Conclusion

Time: 1 minute
Teaching Skill: Summarization
Teacher’s Activity: The teacher summarizes the lesson by reminding pupils that capacity helps us know how much things can hold. The teacher assigns simple homework like identifying containers at home and saying which holds more.
Pupils’ Activity: Pupils listen to the summary and copy down the homework.
Learning Point: Pupils consolidate their learning and are encouraged to apply it at home.

Home Task: Solve two new exercises on Capacity. Show each step and check each answer.

Lesson Keywords

Capacity – The amount that a container can hold.
Liquid – Something that flows, like water or juice.
Measure – To find out the size or amount of something.
Litre – A standard unit for measuring liquids.
Container – An object used for holding something, like a bottle or cup.
Full – When a container cannot hold any more.
Empty – When a container has nothing inside.
More – A larger amount.
Less – A smaller amount.

Differentiation

For struggling learners, the teacher will provide more one-on-one guidance during practical activities, focusing on comparing just two containers at a time. For advanced learners, the teacher can encourage them to estimate how many small cups it takes to fill a larger bottle.

Note for teachers using this lesson plan

Ensure a variety of containers are available for the practical activities. Emphasize safety when handling water or other materials. Encourage pupils to use descriptive words like “full,” “empty,” “holds more,” and “holds less.” The focus for Primary 1 is hands-on understanding rather than complex calculations.