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

What does it mean to round to the nearest ten?

Back

Rounding to the nearest ten means finding the closest multiple of ten to a given number.

Front

What is the rule for rounding up?

Back

If the digit in the ones place is 5 or greater, round up to the next ten.

Front

What is the rule for rounding down?

Back

If the digit in the ones place is 4 or less, round down to the previous ten.

Front

Estimate 38 to the nearest ten.

Back

40

Front

Which number does NOT round to 400 when rounding to the nearest hundred? 409, 445, 345, 398

Back

345

Front

Round 344 to the nearest hundred.

Back

300

Front

Round 246 to the nearest ten.

Back

250

Front

What is the sum of 34 and 28 when rounded to the nearest ten?

Back

60

Front

What is the nearest hundred to 398?

Back

400