Rounding Estimating

What is 56 rounded to the nearest ten?

• 40

• 70

• 50

• 60

What is 39 rounded to the nearest ten?

• 40

• 30

• 35

• 45

What is eighteen rounded to the nearest ten?

• 10

• 20

• 25

• 30

What is 104 rounded to the nearest ten?

• 90

• 95

• 110

• 100

Round to the nearest thousand, then estimate the difference:

98,412 - 45,802

• 53,000

• 51,000

• 52,000

• 51,872

Round to the nearest ten thousand, then estimate the sum:

315,245 + 41,559

• 360,000

• 350,000

• 357,000

• 340,000

ESTIMATE to find the sum, by rounding to the largest place values.

853,471 + 36,839

• 840,000

• 940,000

• 1,000,000

• 1,300,000

Round to the nearest hundred, then estimate the difference:

642 − 137

• 600

• 780

• 500

• 510

Round to the nearest thousand, then estimate the difference:

98,412 - 45,802

• 53,000

• 51,000

• 52,000

• 51,872

Round to the nearest ten thousand, then estimate the difference:

887,167 - 342,208 =

• 500,000

• 554,000

• 545,959

• 550,000