Adding and Subtracting Decimal Placement

How much do you see?

• $11

• $.06

• $.11

• $.51

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

Match the following rules to the correct operation.

• Addition/Subtraction

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

• Division

• move the decimal up

• Multiplication

• Line up the decimals.

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

• line the numbers

• line up the decimals

• line up place values

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

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

what is the first step when you add a decimal?

• solve the problem

• see what your dealing with

• line up the decimal

• add

What is the first step to solving adding and subtracting decimals?

• Place Value

• Carry and Borrow

• Aligning Decimal Points

• Rounding Off

What is name of an answer to an subtraction problem?

• Sum

• Difference

• Product

• Quotient

What did the student incorrectly do while solving this equation?

• Subtracted instead of added the amounts together

• Nothing, the student solved the problem correctly

• Did not line up the decimal points