Decimal operations

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal representation of 5/10.

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

What is the result of 7.9 - 3.47?

Back

4.43

Tags

CCSS.5.NBT.B.7

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Tags

CCSS.6.NS.B.3

Front

What is 2.39 x 4.37?

Back

10.4443

Tags

CCSS.6.NS.B.3

Front

What is the result of 8.65 * 4?

Back

34.6

Tags

CCSS.6.NS.B.3

Front

How do you find the total of multiple decimal values?

Back

To find the total of multiple decimal values, add them together, ensuring to align the decimal points.

Tags

CCSS.5.NBT.B.7

Front

What is the total rainfall if it rained 0.89 in., 0.82 in., and 0.57 in.?

Back

2.28 in.

Tags

CCSS.5.NBT.B.7

Front

What is the result of 94 - 4.8?

Back

89.2

Tags

CCSS.6.NS.B.3

Front

What is the importance of decimal places in calculations?

Back

Decimal places indicate the precision of a number. More decimal places mean more precision in calculations.

Tags

CCSS.5.NBT.B.7