IXL | Estimate sums, differences, products, and quotients: word problems

Luca wrote 54 hit songs that made it on the best-seller charts. Something many people don't know, however, is that he also wrote 25 songs that were never released. About how many songs did Luca write in all? Choose the better estimate.

100

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Learn with an example

question

At his most recent doctor's appointment, Danny weighed 46 pounds. Since then, he has gained another 18 pounds. Now about how much does Danny weigh? Choose the better estimate.

solution

Add the weights.

46 + 18 = ?

Round each number to the nearest ten.

46	+	18	= ?

50	+	20	= 70

70 is the better estimate.

Looking for more? Try these:

Lesson: Estimating products

Lesson: Estimating quotients

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Teacher tools

Work it out

Not feeling ready yet? These can help:

K.4Divide by 1-digit numbers: pick the better estimate

I.5Estimate products: word problems

E.2Estimate differences: word problems

D.2Estimate sums: word problems

Lesson: Estimating products

Lesson: Estimating quotients

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