Rounding to the nearest 10 and 100

Front

Round to the nearest 10: 43

Back

40

Front

Round to the nearest 10: 49

Back

50

Front

Round to the nearest 100: 821

Back

800

Front

Round to the nearest 100: 811

Back

800

Front

Round to the nearest 10: 75

Back

80

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

When rounding to the nearest 10, what do you look at?

Back

You look at the digit in the ones place. If it's 5 or more, round up. If it's 4 or less, round down.

Front

When rounding to the nearest 100, what do you look at?

Back

You look at the digit in the tens place. If it's 5 or more, round up. If it's 4 or less, round down.

Front

What is the nearest 10 to 82?

Back

80

Front

What is the nearest 100 to 150?

Back

200