IXL | Write variable expressions: word problems

Tracy collected

gold stars in her video game in Level 1. She collected another 11 gold stars in Level 2. Choose the expression that shows the number of gold stars Tracy collected in all.

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Learn with an example

question

Lexi bought a package with

cat treats. She gave 2 of the treats to her cat. Choose the expression that shows the number of treats remaining.

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key idea

A variable is a letter that represents an unknown number.

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

solution

Look for a pattern.

Try

Lexi bought a package with 3 cat treats. She gave 2 of the treats to her cat.

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which is 1.

Try

Lexi bought a package with 4 cat treats. She gave 2 of the treats to her cat.

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which is 2.

Try

Lexi bought a package with 5 cat treats. She gave 2 of the treats to her cat.

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which is 3.

The pattern shows that in order to find the number of treats remaining, you always subtract 2 from

This is the correct expression:

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Looking for more? Try these:

Lesson: Writing algebraic expressions

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Teacher tools

Work it out

Not feeling ready yet? These can help:

MM.1Write variable expressions

E.2Add, subtract, multiply, or divide two whole numbers: word problems

Lesson: Writing algebraic expressions

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