IXL | Use models to solve word problems involving addition and subtraction - up to 20

Read the story.

There were 9 kids playing tag, and then 2 more kids joined in. Now how many kids are playing tag?

Pick the model that matches the story.

Now how many kids are playing tag?

kids

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Learn with an example

Read the story.

Bob has 8 toy cars. Pam has some toy cars, too. Together, they have 17 toy cars. How many toy cars does Pam have?

Pick the model that matches the story.

How many toy cars does Pam have?

toy cars

Bob has 8 toy cars. Pam has some toy cars, too. Together, they have 17 toy cars. This model matches the story.

total cars

Bob's cars

Pam's cars

Now, find the missing number. The model shows you can use addition or subtraction.

You can write an addition sentence and find the missing number.

Or you can use the related subtraction sentence.

–

Pam has 9 toy

cars.

Looking for more? Try this:

$Confetti$

Now entering the Challenge Zone—are you ready?

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Teacher tools

Work it out

Not feeling ready yet? These can help: