Subtracting by partitioning

In this lesson, we will learn to subtract by partitioning a whole into parts.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Choose the most efficient way to add eight and two together.

1/3

Q2.Choose the equation that is equal to 4 + 2

2/3

Q3.In the picture 5 sheep are in the field, 2 are outside the field. Which is the most efficient equation to represent this problem?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Choose the most efficient way to add eight and two together.

1/3

Q2.Choose the equation that is equal to 4 + 2

2/3

Q3.In the picture 5 sheep are in the field, 2 are outside the field. Which is the most efficient equation to represent this problem?

3/3

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Subtracting by partitioning

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.First, there were six glasses of juice. Then someone knocked over two glasses. How many glasses are left?

1/3

Q2.First, there were five eggs in the carton. Then, Snow White cracked three to bake a cake. How many eggs were left in the carton?

2/3

Q3.First, there were six glasses of juice. Then someone knocked over two glasses. Now there are four glasses left. Choose the equation that represents this story.

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Subtracting by partitioning

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.First, there were six glasses of juice. Then someone knocked over two glasses. How many glasses are left?

1/3

Q2.First, there were five eggs in the carton. Then, Snow White cracked three to bake a cake. How many eggs were left in the carton?

2/3

Q3.First, there were six glasses of juice. Then someone knocked over two glasses. Now there are four glasses left. Choose the equation that represents this story.

3/3

Lesson summary: Subtracting by partitioning

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