Adding and Subtracting Decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal representation of 1/2.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would whole numbers, placing the decimal point in the difference directly below the other decimal points.

Front

What is the difference between 9.73 and 2.52?

Back

7.21

Front

What is 2 - 0.43?

Back

1.57

Front

Lia and James spent a total of how much if Lia spent $8.50 and James spent $12.00 on snacks?

Back

$26.50

Front

What is the sum of 2.98 and 5.3?

Back

8.28

Front

What is the sum of 1.70 and 4.65?

Back

6.35

Front

What is the place value of the digit 5 in the number 3.45?

Back

The place value of 5 in 3.45 is 'tenths'.

Front

What is the place value of the digit 2 in the number 0.72?

Back

The place value of 2 in 0.72 is 'hundredths'.