Basic Rounding

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

Ronnie has three planks of wood. The first plank is 27 inches long. The second plank is 44 inches long. The third plank is 18 inches long. Rounded to the nearest tens, what is the best estimate of the total length of these three planks in inches?

• 100 inches

• 90 inches

• 80 inches

• 89

Round 440 to the nearest hundred.

• 500

• 400

• 450

• 40

Round 6,978 to the hundreds place.

• 7,000

• 6,900

• 6,000

• 6,800

What is 363 rounded to the nearest hundred?

• 400

• 360

• 300

• 200

Round 481 to the nearest hundred.

• 400

• 500

• 480

• 490

Round 967 to the nearest hundred.

• 900

• 1,000

• 70

• 960

Round 27 to the nearest TEN.

• 20

• 100

• 0

• 30