Add and Subtract Decimals

Front

What is the process of adding decimals?

Back

To add decimals, align the numbers by the decimal point and add each column starting from the right, carrying over if necessary.

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 each column starting from the right, borrowing if necessary.

Tags

CCSS.5.NBT.B.7

Front

What is the value of 5.31 + 3.9?

Back

9.21

Tags

CCSS.6.NS.B.3

Front

What is the value of 12.3 + 1.1?

Back

13.4

Tags

CCSS.6.NS.B.3

Front

What is the value of 2.4 + 3.2?

Back

5.6

Tags

CCSS.5.NBT.B.7

Front

What is the value of 24.64 - 2.99?

Back

21.65

Tags

CCSS.6.NS.B.3

Front

What is the value of 17.081 + 1.459?

Back

18.54

Tags

CCSS.6.NS.B.3

Front

What is the importance of aligning decimal points when performing addition or subtraction?

Back

Aligning decimal points ensures that each digit is in the correct place value, which is crucial for accurate calculations.

Tags

CCSS.5.NBT.B.7

Front

What is a common mistake when adding or subtracting decimals?

Back

A common mistake is misaligning the decimal points, which can lead to incorrect sums or differences.

Tags

CCSS.5.NBT.B.7

Front

How can you check your work after adding or subtracting decimals?

Back

You can check your work by estimating the sum or difference and comparing it to your calculated answer.

Tags

CCSS.5.NBT.B.7