Rounding by 10 and 100

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest place value (like tens or hundreds) to make it simpler while keeping it close to the original value.

Front

What is the nearest ten to 45?

Back

50

Front

What is the nearest hundred to 250?

Back

300

Front

Round 124 to the nearest hundred.

Back

100

Front

Round 725 to the nearest ten.

Back

730

Front

Round 1,812 to the nearest ten.

Back

1,810

Front

Round 1,512 to the nearest hundred.

Back

1,500

Front

Round 1,512 to the nearest ten.

Back

1,510

Front

What is the rule for rounding up?

Back

If the digit in the place value to the right is 5 or more, round up.

Front

What is the rule for rounding down?

Back

If the digit in the place value to the right is less than 5, round down.