Adding and Subtracting Decimals

Front

What is the expanded form of 23.74?

Back

(2 x 10) + (3 x 1) + (7 x 0.1) + (4 x 0.01)

Front

What is 94 - 4.8?

Back

89.2

Front

What is the expanded form of 96.47?

Back

(9 x 10) + (6 x 1) + (4 x \frac{1}{10}) + (7 x \frac{1}{100})

Front

If Kelly has $20 and spends $2.15 and $6.58, how much does she have left?

Back

$11.27

Front

What is the difference of 9.73 - 2.52?

Back

7.21

Front

Define a decimal.

Back

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

Front

What does it mean to add decimals?

Back

Adding decimals involves aligning the decimal points and adding the numbers as you would with whole numbers.

Front

What is the process for subtracting decimals?

Back

Align the decimal points, subtract as with whole numbers, and place the decimal point in the answer.

Front

What is the value of 0.5 in fraction form?

Back

\frac{1}{2}

Front

How do you convert a decimal to a fraction?

Back

Write the decimal over its place value and simplify.