Rounding to the Nearest Ten and Hundred

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest ten, hundred, or other place value to make it simpler or easier to work with.

Front

What is the rule for rounding to the nearest ten?

Back

If the last digit is 5 or more, round up. If it is 4 or less, round down.

Front

Round 224 to the nearest ten.

Back

220

Front

Round 68 to the nearest ten.

Back

70

Front

When rounding to the nearest ten, what do you do with the number 358?

Back

Round it to 360.

Front

What is the rule for rounding to the nearest hundred?

Back

If the last two digits are 50 or more, round up. If they are 49 or less, round down.

Front

Round 840 to the nearest hundred.

Back

840 (it is already a multiple of 100).

Front

Round 839 to the nearest hundred.

Back

800

Front

Which number does not belong when rounding to the nearest ten: 192, 187, 195, 189?

Back

195 (it rounds to 200).

Front

Which number does not belong when rounding to the nearest hundred: 840, 839, 857, 764?

Back

857 (it rounds to 900).