How do you solve take-apart problems?

Students had a choice of playing inside or outside for recess. 12 children went outside. 8

of them played on the swings, and the rest played soccer. How many played soccer?

In this lesson you will learn how to solve take-apart problems by

using a bar graph.

Let’s Review

A bar graph has axes.

vertical axis

Pets Number

Fish 4

Dog 5

Rabbit 3

Bird 2

Fish

Dog

Rabbit

Bird

Data from a table can be shown in a graph.

horizontal axis1 2 3 4 5 6

Pet Store Animals

Let’s Review

A take-apart problem asks you to “take apart” a whole.

There were 10 children playing tag in the park. 7 of the children were girls. How many were boys?

7 ?

10

girls boys

10-7 = 3

Core Lesson

Identify what the problem is asking.

Students had a choice of playing inside or outside for recess. 12 children went outside. 8 of them played on the swings, the rest were playing soccer. How many played soccer?

8 ?

12

swings soccer

A Common Misunderstanding

Thinking the whole is a part.

Students had a choice of playing inside or outside for recess. 12 children went outside. 8 of them played on the swings, the rest were playing soccer. How many played soccer?

8 12

swings soccer

? whole

part part

12

?

Core Lesson 12

8

12

swings soccer

1234567891011

?

4 ?

Recess Activities

In this lesson you have learned how to solve take-apart

problems by using a bar graph.