IXL | Write variable expressions: word problems

Philip picked 15 pears. Christina picked

fewer pears than Philip. Choose the expression that shows how many pears Christina picked.

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Learn with an example

There were

frogs in a pond. Then 2 of the frogs hopped away. Choose the expression that shows how many frogs are in the pond now.

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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

There were 3 frogs in a pond. Then 2 of the frogs hopped away.

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which is 1.

Try

There were 4 frogs in a pond. Then 2 of the frogs hopped away.

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which is 2.

Try

There were 5 frogs in a pond. Then 2 of the frogs hopped away.

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which is 3.

The pattern shows that in order to find how many frogs are in the pond now, you always subtract 2 from

This is the correct expression:

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Looking for more? Try these:

$Confetti$

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Teacher tools

Work it out

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