IXL - Write variable expressions: word problems (Algebra 1 practice)

Peter had already finished

of his math problems. Then he finished 7 more problems. Choose the expression that shows the number of problems Peter has finished.

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Learn with an example

Paul bought a package of 12 bagels. He gave

of them to his friends. Choose the expression that shows the number of bagels Paul has left.

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A variable is a letter that represents an unknown number.

An expression is a group of numbers, symbols, and variables that represents another number.

Look for a pattern.

Try

Paul bought a package of 12 bagels. He gave 2 of them to his friends.

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which is 10.

Try

Paul bought a package of 12 bagels. He gave 3 of them to his friends.

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which is 9.

Try

Paul bought a package of 12 bagels. He gave 4 of them to his friends.

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which is 8.

The pattern shows that in order to find the number of bagels Paul has left, you always subtract

from 12. This is the correct expression:

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Looking for more? Try these:

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Now entering the Challenge Zone—are you ready?

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