Rounding

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten, hundred, or other place value.

Front

How do you round a number to the nearest ten?

Back

Look at the digit in the ones place. If it is 5 or more, round up. If it is 4 or less, round down.

Front

Round 421 to the nearest hundred.

Back

400

Front

Round 1,389 to the nearest hundred.

Back

1,400

Front

Round 254 to the nearest ten.

Back

250

Front

Round 86 to the nearest ten.

Back

90

Front

What is the nearest hundred to 324?

Back

300

Front

What does it mean to round up?

Back

Rounding up means increasing the number to the next higher value when the digit is 5 or more.

Front

What does it mean to round down?

Back

Rounding down means decreasing the number to the next lower value when the digit is 4 or less.

Front

If a number is exactly halfway between two rounding options, what do you do?

Back

Typically, you round up to the higher number.