Estimating Sums Quiz

Estimate the sum of 37 and 45 by rounding each number to the nearest ten.

• 100

• 90

• 80

• 70

Estimate the sum of 82 and 47 by rounding each number to the nearest ten.

• 120

• 160

• 100

• 130

Estimate the sum of 29 and 58 by rounding each number to the nearest ten.

• 100

• 80

• 70

• 90

Estimate the sum of 41 and 67 by rounding each number to the nearest ten.

• 108

• 110

• 98

• 117

Estimate the sum of 53 and 26 by rounding each number to the nearest ten.

• 80

• 50

• 100

• 70