Add and Subtract Decimals

Front

What is a decimal?

Back

A decimal is a way of representing numbers that are not whole, using a point (.) to separate the whole number part from the fractional part.

Tags

CCSS.2.MD.B.6

Front

How do you add decimals?

Back

To add decimals, line up the decimal points and add each column starting from the right.

Tags

CCSS.5.NBT.B.7

Front

How do you subtract decimals?

Back

To subtract decimals, line up the decimal points and subtract each column starting from the right.

Tags

CCSS.5.NBT.B.7

Front

What is the importance of lining up decimal points?

Back

Lining up decimal points ensures that you are adding or subtracting the correct place values.

Tags

CCSS.5.NBT.B.7

Front

What is the sum of 0.5 and 0.3?

Back

0.8

Tags

CCSS.5.NBT.B.7

Front

What is the difference between 1.5 and 0.7?

Back

0.8

Tags

CCSS.5.NBT.B.7

Front

What happens if you do not line up decimal points when adding?

Back

If you do not line up decimal points, you may get an incorrect answer because you are adding different place values.

Tags

CCSS.5.NBT.B.7

Front

What is the sum of 2.75 and 3.25?

Back

6.00

Tags

CCSS.5.NBT.B.7

Front

What is the difference between 5.5 and 2.2?

Back

3.3

Tags

CCSS.5.NBT.B.7

Front

What is 10.0 - 3.5?

Back

6.5

Tags

CCSS.5.NBT.B.7