Rounding
Round 32 to the nearest ten
30
137
100
Estimate the sum by rounding to the nearest hundred: 452 + 312
500 + 300 = About 800
Estimate the difference by rounding to the nearest ten:
57 - 42
60 - 40 = About 20
Round 385 to the nearest hundred
400
55,492
55,500
Estimate the sum by rounding to the nearest hundred:
425 + 268
400 + 300 = About 700
Estimate the difference by rounding to the nearest ten:
657 - 442
660 - 440 = About 220
Round 4,492 to the nearest thousand
4,000
835,837
835,840
Estimate the sum by rounding to the nearest thousand:
6,799 + 2,150
7,000 + 2,000 = About 9,000
Estimate the difference by rounding to the nearest thousand:
4,572 - 3,299
5,000 - 3,000 = About 2,000
Round 55,294 to the nearest ten thousand
60,000
1,522,592
2,000,000
Estimate the sum by rounding to the nearest ten thousand:
10,786 + 42,242
10,000 + 40,000 = About 50,000
Estimate the difference by rounding to the nearest hundred:
4,572 - 3,299
4,600 - 3,300 = About 1,300
Round 464,003 to the nearest hundred thousand
500,000
44,984,982
45,000,000
Estimate the sum by rounding to the nearest hundred thousand:
4,777,923 + 6,178,999
4,800,000 + 6,200,000 = About 11,000,000
Estimate the difference by rounding to the nearest ten:
4,572 - 3,299
4,570 - 3,300 = About 1,270