IXL | Estimate differences: word problems

Jaylen and Trisha jumped on the couch a combined total of 861 times. Then the couch broke, and they both got in big trouble. If Jaylen jumped on the couch 192 times, about how many times did Trisha jump on it? Choose the better estimate.

200

700

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Learn with an example

question

Amy and Dana jumped on the couch a combined total of 530 times. Then the couch broke, and they both got in big trouble. If Amy jumped on the couch 334 times, about how many times did Dana jump on it? Choose the better estimate.

200

1,200

solution

Subtract the number of times Amy jumped on the couch from the total number of times they jumped on the couch.

530 − 334 = ?

Round each number to the nearest hundred.

530	–	334	= ?

500	–	300	= 200

200 is the better estimate.

Looking for more? Try these:

Lesson: Rounding numbers

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Teacher tools

Work it out

Not feeling ready yet? These can help:

E.1Estimate differences

H.8Subtract numbers up to three digits: word problems

Lesson: Rounding numbers

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