IXL | Checkpoint: Add and subtract rational numbers

Select all of the stories that can be modeled by the expression

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Mr. Soto parked his car in a parking garage 3 floors below the ground floor. He rode an elevator up 8 floors to his office. On what floor is Mr. Soto's office?

A mole digs down 3 inches below the ground searching for food. Then it digs down another 8 inches as it continues to search. How does the mole's depth now compare to when it started to dig?

At the beginning of the day, the temperature in Pineridge was

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After a cold front moved through in the afternoon, the temperature dropped to

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How much did the temperature in Pineridge change?

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Teacher tools

Work it out

Not feeling ready yet? These can help:

A.6Quantities that combine to zero: word problems

B.12Add and subtract integers

I.3Add and subtract rational numbers

I.4Apply addition and subtraction rules

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