# Weight : Comparing of Weight of two different objects based on their Capacity Measurement Mathematics Primary 2 Third Term Lesson Notes Week 6

### Lesson Plan

#### Subject: Mathematics

#### Class: Primary 2

#### Term: Third Term

#### Week: 6

#### Topic: Weight

#### Sub-topic: Comparing the weight of two different objects based on their capacity measurement.

#### Duration: 40 minutes

#### Behavioural Objectives:

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

- Understand the concept of weight.
- Identify tools used to measure weight.
- Compare the weight of two different objects.
- Use a scale to measure the weight of objects.
- Solve problems involving comparing the weight of objects.

#### Keywords:

- Weight
- Heavier
- Lighter
- Scale

#### Entry Behaviour:

Pupils are familiar with measuring the length of objects using a ruler.

#### Learning Resources and Materials:

- Scales (bathroom scale, kitchen scale)
- Various objects of different weights (e.g., fruits, toys, school supplies)
- Chart paper
- Marker

#### Building Background/Connection to Prior Knowledge:

Review the previous lesson on measuring length. Ask pupils about how long different objects are.

#### Embedded Core Skills:

- Measurement skills
- Problem-solving
- Critical thinking

#### Reference Books:

- Lagos State Scheme of Work
- Primary 2 Mathematics Textbook

#### Instructional Materials:

- Scales
- Various objects for measuring weight (e.g., books, toys, fruits, etc.)
- Chart paper
- Marker

#### Content:

- Introduction to weight and tools used to measure it.
- Comparing the weight of two different objects.
- Using a scale to measure the weight of objects.
- Solving problems involving comparing the weight of objects.

**Weight**

Weight measures how heavy an object is. It tells us how much something weighs.

**Tools for measuring weight:**

**Scale**: Measures how heavy things are.**Measuring weight**: Helps us know the weight of objects.**Bathroom scale**: Used to measure the weight of people and animals.

**Examples:**

**🍏 Apple and 🍊 Orange**- The apple weighs less than the orange.

**🧸 Teddy bear and 🪀 Yo-yo**- The teddy bear weighs more than the yo-yo.

**🐱 Cat and 🐶 Dog**- The cat weighs less than the dog.

**📚 Books**- A thick book weighs more than a thin book.

**🛒 Bag of groceries**- A full bag weighs more than an empty bag.

**Comparing weights:**

- When comparing two objects, we can say:
**Heavier**: One object weighs more.**Lighter**: One object weighs less.

**Examples:**

**🏈 Ball and ⚽ Ball**- The football is heavier than the soccer ball.

**🛢️ Barrel and 🛍️ Bag**- The barrel is heavier than the bag.

### Remember, weight helps us understand how heavy or light things are!

Class Activity Discussion on worked examples on comparing the weight of two different objects based on their capacity measurement:

**Example 1:****Given:**An apple and an orange.**Compare:**The apple and the orange on a scale.**Answer:**The orange is heavier than the apple.

**Example 2:****Given:**A small rock and a big rock.**Compare:**Put the rocks on a scale.**Answer:**The big rock is heavier than the small rock.

**Example 3:****Given:**A filled water bottle and an empty water bottle.**Compare:**Weigh the bottles on a scale.**Answer:**The filled water bottle is heavier than the empty one.

**Example 4:****Given:**A loaf of bread and a slice of bread.**Compare:**Weigh the bread on a scale.**Answer:**The loaf of bread is heavier than the slice of bread.

**Example 5:****Given:**A teddy bear and a stuffed rabbit.**Compare:**Weigh the toys on a scale.**Answer:**The teddy bear is heavier than the stuffed rabbit.

**Example 6:****Given:**A box of blocks and a single block.**Compare:**Weigh the objects on a scale.**Answer:**The box of blocks is heavier than the single block.

**Example 7:****Given:**A full backpack and an empty backpack.**Compare:**Weigh the backpacks on a scale.**Answer:**The full backpack is heavier than the empty backpack.

**Example 8:****Given:**A book and a notebook.**Compare:**Weigh the book and the notebook on a scale.**Answer:**The book is heavier than the notebook.

**Example 9:****Given:**A tin of soup and a packet of soup.**Compare:**Weigh the soup containers on a scale.**Answer:**The tin of soup is heavier than the packet of soup.

**Example 10:****Given:**A pumpkin and a tomato.**Compare:**Weigh the vegetables on a scale.**Answer:**The pumpkin is heavier than the tomato.

**Example 11:****Given:**A can of soda and a can of juice.**Compare:**Weigh the cans on a scale.**Answer:**Both cans might weigh the same, but you can check to confirm.

**Example 12:****Given:**A bag of rice and a bag of beans.**Compare:**Weigh the bags on a scale.**Answer:**The bag of rice might be heavier, but you can check on a scale.

**Example 13:****Given:**A dog and a cat.**Compare:**Weigh the animals on a scale.**Answer:**The dog is heavier than the cat.

**Example 14:****Given:**A pack of paper and a sheet of paper.**Compare:**Weigh the paper on a scale.**Answer:**The pack of paper is heavier than the single sheet of paper.

**Example 15:****Given:**A bottle of milk and a cup of milk.**Compare:**Weigh the milk on a scale.**Answer:**The bottle of milk is heavier than the cup of milk

More explanation about comparing the weight of two different objects based on their capacity measurement:

**Q: What is weight?****A:**Weight is how heavy something is.

**Q: What tools do we use to measure weight?****A:**We use scales, bathroom scales, and other measuring tools.

**Q: How do you compare the weight of two objects?****A:**Use a scale to see which object is heavier or lighter.

**Q: What does it mean if an object is heavier?****A:**It weighs more than another object.

**Q: What does it mean if an object is lighter?****A:**It weighs less than another object.

**Q: Which is heavier, a full water bottle or an empty water bottle?****A:**A full water bottle is heavier.

**Q: How can we tell the weight of an animal?****A:**Use a bathroom scale or special scale for animals.

**Q: Which weighs more, a loaf of bread or a slice of bread?****A:**A loaf of bread weighs more.

**Q: What is the difference between heavier and lighter?****A:**Heavier objects weigh more; lighter objects weigh less.

**Q: Which weighs more, a toy car or a real car?**

**A:**A real car weighs more.

**Q: How do you measure the weight of a person?**

**A:**Use a bathroom scale.

**Q: Which is lighter, a cat or a dog?**

**A:**A cat is usually lighter than a dog.

**Q: What do you use to weigh small objects like fruit?**

**A:**Use a kitchen scale or small scale.

**Q: Which weighs more, a bag of rice or a bag of beans?**

**A:**It depends on the size of the bags. Compare them on a scale.

**Q: What is one way to measure the weight of a big object?**

**A:**Use a large scale or weighing machine.

Evaluation

- The tool used to measure weight is a ______.
- a. Pencil
- b.
**Scale** - c. Eraser
- d. Crayon

- An object that weighs more is called ______.
- a.
**Heavier** - b. Lighter
- c. Thinner
- d. Smaller

- a.
- A full water bottle is ______ than an empty one.
- a.
**Heavier** - b. Lighter
- c. Bigger
- d. Smaller

- a.
- To compare the weight of two objects, we use a ______.
- a.
**Scale** - b. Ruler
- c. Calculator
- d. Clock

- a.
- The bathroom scale measures the weight of ______.
- a. Apples
- b. Books
- c.
**People** - d. Balls

- A loaf of bread is ______ than a slice of bread.
- a. Lighter
- b.
**Heavier** - c. Taller
- d. Thicker

- When an object is lighter, it weighs ______ than another object.
- a. The same
- b.
**Less** - c. More
- d. Not at all

- To measure how heavy an animal is, use a ______.
- a. Cup
- b. Ruler
- c.
**Scale** - d. Thermometer

- A big rock is ______ than a small rock.
- a.
**Heavier** - b. Lighter
- c. Smaller
- d. Softer

- a.
- A small box of toys is ______ than a large box of toys.
- a.
**Lighter** - b. Heavier
- c. Taller
- d. Shorter

- a.
- The weight of a puppy is ______ than the weight of an adult dog.
- a.
**Lighter** - b. Heavier
- c. Same
- d. Much more

- a.
- A measuring tape is used to measure ______.
- a. Time
- b. Temperature
- c.
**Length** - d. Weight

- When you use a scale, you can find out ______.
- a. How tall an object is
- b.
**How heavy an object is** - c. The color of an object
- d. The temperature

- Which is heavier: a bag of rice or a bag of feathers?
- a.
**Bag of rice** - b. Bag of feathers
- c. Both are the same
- d. Cannot be determined

- a.
- To measure a person’s weight, you use a ______.
- a. Clock
- b. Thermometer
- c.
**Bathroom scale** - d. Measuring tape

### Presentation

#### Step 1:

**The teacher revises the previous topic which was:**

- Measuring the length of objects using a ruler.
- Ask pupils how they measured different objects in the last lesson.
- Primary 2 Maths Lesson Plan: Teaching Length and Measurement in Metres and Centimetres

#### Step 2:

**The teacher introduces the new topic:**

- Define weight and explain that it is how heavy an object is.
- Introduce tools for measuring weight: scale and bathroom scale.
- Show different scales to the pupils.

#### Step 3:

**The teacher allows the pupils to give their own contributions and the teacher corrects the pupils when and where necessary:**

- Ask pupils to compare the weight of different objects using a scale.
- Encourage pupils to describe which objects are heavier or lighter.
- Correct pupils and guide them as they weigh objects.

#### Teacher’s Activities:

- Demonstrate how to use a scale to weigh different objects.
- Help pupils compare the weight of two different objects.
- Guide pupils in identifying which object is heavier or lighter.

#### Learners’ Activities:

- Practice using a scale to weigh objects.
- Compare the weight of different objects and identify which is heavier or lighter.
- Share their observations with the class.

#### Assessment:

- Observe pupils while they use the scale and compare weights.
- Ask pupils to solve problems involving comparing the weight of objects.
- Give feedback and correct mistakes.

#### Evaluation Questions:

- What is weight?
- What tools can you use to measure weight?
- Which is heavier: a full bag of rice or an empty bag?
- How would you measure a person’s weight?
- If you have an apple and an orange, which is likely heavier?
- What is one way to compare the weight of two objects?
- Which is lighter: a loaf of bread or a slice of bread?
- What does a scale tell you about an object?
- Can you weigh an animal on a bathroom scale?
- If you have a box of blocks and a single block, which is heavier?

#### Conclusion:

- The teacher goes around the classroom to mark pupils’ work.
- Provide corrections and feedback.
- Praise pupils for good work.
- Encourage pupils to practice using scales to weigh different objects at home.