Mathematics
raymondbyars
19

Mrs.Kennedy is buying pencils for each of 315 students at Hamilton Elementary. The pencils are sold in boxes of tens. How can she use rounding to decide how many pencils to buy?

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(2) Answers
Valene920

since 5 is closer to 10 then it is to zero, the tens column will be pushed up by one. the answer is- 320. she will have 5 extra pencils

Fumiko761

She can use rounding to estimate the number of pencils that she will need and to see how many approximately each student will use over a period of time.

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