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

Why do we round numbers?

Back

We round numbers to make calculations easier, to simplify data, and to make it easier to communicate numbers.

Front

What is the rule for rounding up?

Back

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

Front

What is the rule for rounding down?

Back

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

Front

Round 3.67 to the nearest whole number.

Back

4

Front

Round 2.34 to the nearest tenth.

Back

2.3

Front

What does it mean to round to the nearest hundredth?

Back

Rounding to the nearest hundredth means adjusting the number to two decimal places.

Front

Round 5.678 to the nearest hundredth.

Back

5.68

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten.

Front

How do you identify the tenths place in a decimal?

Back

The tenths place is the first digit to the right of the decimal point.