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

Round 8.5435 to the nearest tenth.

Back

8.5

Front

Round 3.156 to the nearest tenth.

Back

3.2

Front

What is estimation in math?

Back

Estimation is a way of finding a number that is close enough to the right answer, often used to make calculations easier.

Front

Estimate (8.2 + 2.9) - 7.1.

Back

4

Front

How do you estimate a sum?

Back

To estimate a sum, round each number to a simpler value, then add those rounded numbers.

Front

Estimate 44.1 / 11.2.

Back

4

Front

What is the purpose of estimating in division?

Back

Estimating in division helps to quickly find an approximate answer without doing the exact calculation.

Front

Estimate 100 / (9.8 x 0.9).

Back

10