Adding and Subtracting Decimals with Models

Front

What is the decimal equivalent of 86 hundredths?

Back

0.86

Front

How do you represent the addition of 0.32 and 0.17 using a model?

Back

Using a model, you can show the addition of 0.32 and 0.17 by combining the shaded parts of the models representing each decimal.

Front

What is the sum of 0.50 and 0.23?

Back

0.73

Front

If a movie ticket costs $3.00 and Lia and James bought tickets and snacks totaling $26.50, how much did they spend on tickets alone?

Back

They spent $6.00 on tickets alone.

Front

What decimal represents the shaded part of a place value block that shows 9 tenths?

Back

0.9

Front

What is the process for adding decimals?

Back

Align the decimal points and add as you would whole numbers, then place the decimal point in the sum.

Front

What is the process for subtracting decimals?

Back

Align the decimal points and subtract as you would whole numbers, then place the decimal point in the difference.

Front

How can you visualize the addition of decimals using models?

Back

You can use base ten blocks, number lines, or area models to visualize the addition of decimals.

Front

What is the importance of place value in adding and subtracting decimals?

Back

Place value helps to align the numbers correctly and ensures accurate addition or subtraction.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.