Rounding Decimals

Front

What is rounding?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was.

Front

What does it mean to round to the nearest whole number?

Back

Rounding to the nearest whole number means adjusting a decimal number to the closest whole number.

Front

How do you round a number to the nearest tenth?

Back

Look at the hundredths place. If it's 5 or more, round up. If it's less than 5, round down.

Front

Estimate 8.21 + 9.88

Back

18

Front

Round 6.125 to the nearest tenth.

Back

6.1

Front

What is the estimated value of 100 / (9.8 x 0.9)?

Back

10

Front

Estimate 8.2 x 9.8

Back

80

Front

Round 8.5435 to the nearest whole number.

Back

9

Front

What is the purpose of estimating in math?

Back

Estimating helps to quickly find an approximate answer without calculating the exact value.

Front

What is the difference between rounding up and rounding down?

Back

Rounding up increases the number to the next whole or decimal, while rounding down decreases it to the previous whole or decimal.