Rounding Numbers to Estimate the Sum Quiz

What is the rhyme Mr. Will uses to round numbers?

• Five or greater, add one more; Four or below, let it go

• Round up, round down, find the nearest town

• Add one, subtract two, that's what you should do

• Multiply, divide, then decide

What is the estimated sum of 87 and 34 when rounded to the nearest 10?

• 140

• 120

• 110

• 130

When rounding 456 to the nearest 100, what is the rounded number?

• 400

• 450

• 500

• 550

What is the estimated sum of 302 and 456 when rounded to the nearest 100?

• 850

• 800

• 750

• 700

When rounding 52 to the nearest 10, what is the rounded number?

• 50

• 40

• 60

• 70

What is the estimated sum of 52 and 39 when rounded to the nearest 10?

• 90

• 110

• 100

• 80

When rounding 790 to the nearest 100, what is the rounded number?

• 850

• 700

• 800

• 750

What is the estimated sum of 790 and 112 when rounded to the nearest 100?

• 800

• 850

• 900

• 950

What is the sum of 8 and 1?

• 10

• 9

• 8

• 7

What is the sum of 3 and 5?

• 6

• 9

• 7

• 8