Rounding Estimating

Joe spent $167 on camping gear. Rounded to the nearest hundred, about how much money did he spend?

• $100

• $160

• $170

• $200

Round to the nearest hundred, then estimate the sum:

123 + 456

• 580

• 600

• 650

• 500

Jerry is putting a puzzle together. The number of pieces he has left, rounded to the nearest hundred, is 400 pieces.

Which could be the actual number of pieces Jerry has left?

• 319

• 350

• 450

• 499

There are 367 students in third grade and 158 in fourth grade. About how many more students are in third grade than fourth? 

• 600

• 300

• 520

• 200

Estimate and add:

77

+ 12

• 90

• 89

• 88

• 80

What is 78 rounded to the nearest ten?

• 77

• 70

• 80

• 60

Bella jumped rope 66 times. About how many times did she jump?

• 60

• 70

• 75

• 80

Mrs. Whittle's class has 38 oranges and Mrs. Craig's class has 17 oranges. About how many oranges do they have in all?

• 60

• 75

• 55

• 70

Estimate and add:

66

+ 22

• 80

• 88

• 90

• 100

What is 52 rounded to the nearest ten?

• 60

• 55

• 50

• 100