C2.Lesson 4. Estimate sums and differences

Estimate the sum of 327+431 by rounding to the nearest hundreds

• 700
• 600
• 758
• 800

Estimate the sum of 327+431 by rounding to the nearest hundreds

• 700
• 600
• 758
• 800

Estimate the sum of 120+190 by rounding to the nearest hundreds

• 100
• 200
• 0
• 300

Estimate the sum of 52+59 by rounding to the nearest tens

• 110
• 100
• 111
• 90

Estimate the sum of 37+99 by rounding to the nearest tens

• 120
• 150
• 140
• 136

Estimate the sum by rounding to the nearest hundred.

382 + 409

Gretchen drove 253 miles on Monday and 108 miles on Tuesday. To the nearest hundred, about how many miles did she drive on Monday and Tuesday?

Estimate the sum by rounding to the nearest hundred.

297 + 315.

Estimate the sum by rounding to the nearest ten.

629 + 822.

Estimate the difference by rounding to the nearest hundred.

839 - 576