Adding and Subtracting Decimals

Front

What is the sum of 168 and 45.2?

Back

213.2

Front

What is 132.5 minus 45.3?

Back

87.2

Front

What is 102 minus 50.5?

Back

51.5

Front

What is 15 minus 5.8?

Back

9.2

Front

What is the sum of 39.9 and 11.67?

Back

51.57

Front

What does it mean to add decimals?

Back

Adding decimals means combining two or more decimal numbers to find their total.

Front

What does it mean to subtract decimals?

Back

Subtracting decimals means finding the difference between two decimal numbers.

Front

How do you align decimal points when adding or subtracting?

Back

You line up the decimal points vertically before performing the operation.

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

What is the place value of 0.5?

Back

The place value of 0.5 is one-half or 5 tenths.