Rounding Decimals

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 tenth?

Back

Rounding to the nearest tenth means looking at the digit in the hundredths place to decide whether to round the tenths place up or keep it the same.

Front

What is the rule for rounding up?

Back

If the digit in the place immediately to the right of the place you are rounding to is 5 or greater, you round up.

Front

What is the rule for rounding down?

Back

If the digit in the place immediately to the right of the place you are rounding to is less than 5, you round down.

Front

Round 4.5 to the nearest tenth.

Back

4.5 rounds to 4.5 because the digit in the hundredths place is 5.

Front

Round 47.941 to the nearest tenth.

Back

47.941 rounds to 47.9 because the digit in the hundredths place is 4.

Front

Round 11.56 to the nearest whole number.

Back

11.56 rounds to 12 because the digit in the tenths place is 5.

Front

Which number does NOT round to 35? 34.72, 34.156, 35.49, 35.16

Back

34.156 does NOT round to 35; it rounds to 34.

Front

What is the nearest whole number to 12.51?

Back

12.51 rounds to 13.

Front

What is the nearest tenth to 1.72?

Back

1.72 rounds to 1.7.