Adding and Subtracting Decimals

Front

What is the sum of 84.79 and 34.45?

Back

119.24

Front

What is 102 minus 50.5?

Back

51.5

Front

What is the sum of 39.9 and 11.67?

Back

51.57

Front

What is 42.1 minus 6.9?

Back

35.2

Front

What is the sum of 168 and 45.2?

Back

213.2

Front

Define decimal:

Back

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

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 taking one decimal number away from another.

Front

How do you align decimals when adding or subtracting?

Back

You align the decimal points vertically to ensure the numbers are in the correct place value.

Front

What is the place value of 0.5?

Back

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