Questions on Approximation and Estimation

Round the number 8,456 to the nearest hundred.

• 8,500

• 8,400

• 8,450

• 9,000

Estimate the sum of 56 + 91 by rounding each number to the nearest ten.

• 140

• 150

• 160

• 170

Which of the following is the correct approximation of 23.847 to one decimal place?

• 23.9

• 23.8

• 23.84

• 23.85

Which of the following numbers is closest to 500

• 498

• 501

• 497

• 495

Estimate the product of 39 × 52 by rounding both numbers to the nearest ten

• 2,000

• 1,800

• 2,500

• 1,500

If the population of a town is 13,567, what is the population rounded to the nearest hundred?

• 13,500

• 13,600

• 13,700

• 14,000

Round 0.0563 to two decimal places

• 0.06

• 0.056

• 0.057

• 0.055

Which of the following is the correct Estimation for the division of 243 ÷ 4 by rounding to the nearest ten

• 80

• 70

• 60

• 50

What is 4.6789 rounded to the nearest thousandth?

• 4.67

• 4.678

• 4.679

• 4.680

Round 76,435 to the nearest thousand

• 76,000

• 77,000

• 76,400

• 76,500