Rounding Whole Numbers

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, while keeping its value close to what it was.

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 less than 5, round down to the previous ten.

Front

Round 35 to the nearest ten.

Back

40

Front

Round 149 to the nearest hundred.

Back

100

Front

Which number does NOT round to 300 when rounding by hundreds? 347, 249, 297, 305.

Back

249

Front

What is the nearest hundred to 450?

Back

500

Front

Round 908 to the nearest ten.

Back

910

Front

What is the nearest thousand to 2509?

Back

3000