Lesson 1.2

Unlock the Problem

When you round a number, you find a number that tells you about
how much or about how many.

Mia’s baseball bat is 32 inches long. What is its length to the nearest
ten inches?

A: Round 32 to the nearest ten.

Find which tens the number is between.

32 is between ___ and ___.

32 is closer to ___ than it is to ___.

32 is rounded to the nearest ten is ___.

So the length of Mia’s bat rounded to the nearest ten inches is ___
inches.

A: Round 174 to the nearest hundred.

Find which tens the number is between.

174 is between ___ and ___.

174 is closer to ___ than it is to ___.

174 is rounded to the nearest hundred is ___.

A: Round 63 to the nearest ten.

So, the tens digit stays the same. Write 6 as the tens digit.

Write zero as the ones digit.

So, 63 rounded to the nearest ten is ____.

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Homework