Rules to Adding and Subtracting Decimals

When adding or subtracting with decimals, you -

• Move decimals out

• Shift decimals 3 places over

• Line up the decimals

• Ignore decimals

Tags

CCSS.5.NBT.B.7

What is the FIRST step when adding and subtracting decimals?

• Line up the numbers

• Line up the decimal points

• Add or subtract like normal

• Add in placeholders

Tags

CCSS.5.NBT.B.7

What is the rule for adding or subtracting decimals?

• Add first

• Line up the decimals first, then fill in with zeros.

• Move the decimal to the right the total amount of numbers after the decimal.

• Subtract

Tags

CCSS.5.NBT.B.7

What is the rule for adding and subtracting positive decimals?

• Line up the decimals and then add/subtract normally

• You do not have to worry about placement of the decimal

• Forget the decimal and move it that many spaces at the end

• Drop it down and move it to the right once

Tags

CCSS.5.NBT.B.7

When adding or subtracting decimals, you must line up your decimal points.

• TRUE

• FALSE

Tags

CCSS.5.NBT.B.7

What is the first step when adding and subtracting decimals?

• Line up the numbers

• Line up the decimals

• Add or subtract like normal

• Add in placeholders

Tags

CCSS.5.NBT.B.7

Do you line up the decimals when adding/subtracting

• Yes

• No

• Maybe so

Tags

CCSS.5.NBT.B.7

Match the following rules to the correct operation.

• Addition/Subtraction

• move the decimal up

• Division

• Line up the decimals.

• Multiplication

• Count the amount of numbers behind each decimal and add them up. Use that number to find your decimal place in the answer.

Tags

CCSS.6.NS.B.3

When adding and subtracting decimals you......

• line the numbers

• line up the decimals

• line up place values

Tags

CCSS.5.NBT.B.7

what is the first step when you add a decimal?

• solve the problem

• see what your dealing with

• line up the decimal

• add

Tags

CCSS.6.NS.B.3