Rounding to nearest 10 and 100

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 or hundred.

Front

What does it mean to round to the nearest 10?

Back

Rounding to the nearest 10 means finding the closest multiple of 10 to a given number.

Front

What does it mean to round to the nearest 100?

Back

Rounding to the nearest 100 means finding the closest multiple of 100 to a given number.

Front

Round 752 to the nearest 100.

Back

800

Front

Round 85 to the nearest 10.

Back

90

Front

Which number does NOT round to 400 when rounding to the nearest 100? 409, 445, 345, or 398?

Back

345

Front

Round 68 to the nearest 10.

Back

70

Front

Round 149 to the nearest 100.

Back

100

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.