Adding Decimals Using Models

Front

What is the sum of 0.32 and 0.17?

Back

0.49

Front

What does the model represent: addition or subtraction?

Back

Addition

Front

What equation matches the model shown?

Back

0.32 + 0.17 = 0.49

Front

What is the sum of 0.4 and 0.77?

Back

1.17

Front

What decimal represents the shaded part in the place value block?

Back

0.9

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

How do you add decimals?

Back

Align the decimal points and add as you would whole numbers.

Front

What is the place value of 0.4?

Back

The place value of 0.4 is four tenths.

Front

What is the place value of 0.09?

Back

The place value of 0.09 is nine hundredths.

Front

What is the difference between addition and subtraction?

Back

Addition combines numbers, while subtraction finds the difference between numbers.