Adding and Subtracting with Decimals

Front

When adding or subtracting decimals, what do you line up?

Back

The Decimal.

Front

0.045 + 0.021 = ?

Back

0.066

Front

0.645 - 0.21 = ?

Back

0.435

Front

5.94 - 3 = ?

Back

2.94

Front

1.32 + 4.7 = ?

Back

6.02

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

Line up the decimal points, add as you would whole numbers, and place the decimal point in the answer.

Front

How do you subtract decimals?

Back

Line up the decimal points, subtract as you would whole numbers, and place the decimal point in the answer.

Front

What is the value of 0.1 in hundredths?

Back

0.1 is equal to 10 hundredths.

Front

What is the value of 0.75 in tenths?

Back

0.75 is equal to 7.5 tenths.