Add and Subtract Decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a dot (.) to separate the whole number from the fractional part.

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

What is the sum of 5.66 and 4.25?

Back

9.91

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 9.74 and 3.25?

Back

6.49

Front

What is the sum of 4.2 and 7.98?

Back

12.18

Front

What is the sum of 3.3 and 2.22?

Back

5.52

Front

What is the sum of 91.55 and 7.6?

Back

99.15

Front

What is the place value of the digit 6 in 5.66?

Back

The place value of 6 in 5.66 is in the hundredths place.

Front

What is the place value of the digit 2 in 2.22?

Back

The place value of 2 in 2.22 is in the tenths place.