Adding and Subtracting Decimals with Models

Front

What is the result of 9.43 − 3.34?

Back

6.09

Front

Does this model represent addition or subtraction?

Back

subtraction

Front

What equation matches this model? 0.7 + 0.44 = ?

Back

1.14

Front

What is the answer to this model?

Back

0.19

Front

Which of the decimals is equivalent to the value represented by the hundreds grid?

Back

0.86

Front

What is the definition of a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point.

Front

How do you add decimals?

Back

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

Front

How do you subtract decimals?

Back

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

Front

What is the value of 0.5 + 0.3?

Back

0.8

Front

What is the value of 0.75 - 0.25?

Back

0.5