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. It often involves increasing or decreasing the last digit based on the digit that follows it.

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 determine whether to round the tenths place up or keep it the same.

Front

Round 8.54 to the nearest tenth.

Back

8.5

Front

Round 5.5694 to the nearest tenth.

Back

5.6

Front

When rounding, what do you look at to decide how to round?

Back

You look at the digit to the right of the place you are rounding to, known as the 'clue digit'.

Front

What is the clue digit when rounding 2.408 to the nearest hundredth?

Back

The clue digit is 8 (the digit in the thousandths place).

Front

Round 2.408 to the nearest hundredth.

Back

2.41

Front

What is 4.5 rounded to the nearest tenth?

Back

4.5 remains 4.5 when rounded to the nearest tenth.

Front

If the clue digit is 5 or greater, what do you do?

Back

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

Front

If the clue digit is less than 5, what do you do?

Back

If the clue digit is less than 5, you keep the digit in the place you are rounding to the same.