Round to the Nearest 10
Round to the Nearest 100
Estimate Sums
Break Apart Strategy
100

What is 52 rounded to the nearest 10?

50

100

What is 167 rounded to the nearest 100?

200

100

Estimate the sum of 52 and 39

90

100

What is 76 broken apart?

70+6

200

What is 67 rounded to the nearest 10?

70

200

What is 624 rounded to the nearest 100?

600

200

Estimate the sum of 87 and 34

120

200

What is 311 broken apart?

300+10+1

300

What is 23 rounded to the nearest 10?

20

300

What is 922 rounded to the nearest 100?

900

300

Estimate the sum of 302 and 412

700

300

What is 563 broken apart?

500+60+3

400

What is 132 rounded to the nearest 10?

130

400

300 rounded to the nearest 100?

300
400

Stephanie read 72 pages on Sunday and 83 pages on Monday. About how many pages did Stephanie read during the two days?

150 pages

400

What is 432 and 762 broken apart?

400+30+2 and 700+60+2

500

What is 888 rounded to the nearest 10?

890

500

What is 97 rounded to the nearest 100?

100

500

Matt biked 345 miles last month. This month he has biked 107 miles. Altogether, about how many miles has Matt biked last month and this month?

about 400 miles

500

What is 518, 372, and 494 broken apart?

500+10+8, 300+70+2, 400+90+4

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