All lessons

Rounding Decimals

To the nearest whole, tenth or hundredth — with round half up

Drag the digits with − and +. Watch which mark 3.4_ is closer to.

Ones

3
.

Tenths

4

Hundredths

7

Your number

3.47

3.43.453.5

The next digit is 7.

Closer to the upper mark → round UP

Rounds to 3.5

3.5