adding decimals

Front

What is adding decimals?

Back

Adding decimals is very similar to adding whole numbers, but with extra details. We line up the decimal points so that the whole number parts and the decimal parts align, then we add each part.

Tags

CCSS.5.NBT.B.7

Front

What is the first step in adding decimals?

Back

Write the numbers lining up the decimal points and annex zeros if needed.

Tags

CCSS.6.NS.B.3

Front

If the question is 1.5 + 1.50, what do you do?

Back

Annex the zero to make the numbers the same length.

Tags

CCSS.5.NBT.B.7

Front

How do you line up decimals when adding?

Back

Write the numbers one under the other, ensuring the decimal points are aligned.

Tags

CCSS.5.NBT.B.7

Front

What should you do if the numbers have different lengths when adding decimals?

Back

Add zeros to the shorter number to make both numbers the same length.

Tags

CCSS.6.NS.B.3

Front

What is the importance of the decimal point in addition?

Back

The decimal point helps to keep the whole number parts and decimal parts aligned for accurate addition.

Tags

CCSS.5.NBT.B.7

Front

What is an example of adding decimals?

Back

Example: 2.3 + 1.7 = 4.0.

Tags

CCSS.5.NBT.B.7

Front

What do you do after adding the numbers?

Back

Place the decimal point in the answer directly below the decimal points of the addends.

Tags

CCSS.5.NBT.B.7

Front

What is a common mistake when adding decimals?

Back

Not aligning the decimal points correctly.

Tags

CCSS.5.NBT.B.7

Front

What is the sum of 0.75 + 0.25?

Back

0.75 + 0.25 = 1.00.

Tags

CCSS.5.NBT.B.7