Rounding Review

Round the following number to the nearest ten.
523

• 530

• 540

• 524

• 520

Round the following number to the nearest ten.
678

• 680

• 660

• 670

• 675

Round the following number to the nearest ten.
406

• 400

• 410

• 407

• 500

Round the following number to the nearest ten.
603

• 610

• 600

• 605

• 700

Round 74 to the nearest ten

• 65

• 70

• 7.0

• 87

Which number rounds to 30 when rounded to the nearest ten?

• 24

• 35

• 31

• 23

A dolphin weighs 718 pounds. When rounded to the nearest hundreds place, about how much does the dolphin weigh?

• 800

• 700

• 720

• 710

John has 39 blue marbles and 483 red marbles. What would be the best estimate, to the nearest tens, for how many marbles John has all together?

• 520

• 510

• 500

• 530

Tim has 357 coins, and Emily has 814 coins. Rounded to the nearest hundreds, how many coins do they have combined?

• 1,400

• 1,100

• 1,200

• 1,300

Which number does not round to 400?

• 405

• 366

• 443

• 467