Adding and Subtracting Decimals

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It uses a decimal point to separate the whole number part from the fractional part.

Tags

CCSS.4.NF.C.6

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.

Tags

CCSS.5.NBT.B.7

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would whole numbers, placing the decimal point in the difference directly below the other decimal points.

Tags

CCSS.5.NBT.B.7

Front

What is the value of 0.5 in cents?

Back

0.5 is equal to 50 cents.

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CCSS.6.RP.A.3D

Front

If Lisa has $100 and spends $27.99, how much does she have left?

Back

$100 - $27.99 = $72.01.

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CCSS.6.NS.B.3

Front

What is the total of 3.00 + 8.50 + 12.00?

Back

3.00 + 8.50 + 12.00 = 23.50.

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CCSS.6.NS.B.3

Front

How do you find the difference between two decimal numbers?

Back

To find the difference, subtract the smaller number from the larger number.

Tags

CCSS.5.NBT.B.7

Front

What is 4.8 - 2.75?

Back

4.8 - 2.75 = 2.05.

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CCSS.5.NBT.B.7

Front

What is the sum of 7.45 and 5.21?

Back

7.45 + 5.21 = 12.66.

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CCSS.6.NS.B.3

Front

If Xavier spends $15.68, $29.67, and $14.95, what is the total amount spent?

Back

$15.68 + $29.67 + $14.95 = $60.30.

Tags

CCSS.6.NS.B.3