Mastering Decimal Operations: Addition, Subtraction, Multiplication, and Division

What is the first step when adding or subtracting decimals?

• Multiply the numbers

• Ignore the decimal points

• Line up the decimal points

• Divide the numbers

Tags

CCSS.5.NBT.B.7

When adding decimals, what should you do if there is a blank space?

• Ignore it

• Add a zero

• Leave it blank

• Add a one

Tags

CCSS.5.NBT.B.7

How do you ensure the decimal is in the correct place when subtracting decimals?

• Ignore it

• Line it up with the other decimals

• Move it to the right

• Move it to the left

Tags

CCSS.5.NBT.B.7

What is the first step in multiplying decimals?

• Line up the decimal points

• Line up the rightmost digits

• Add the numbers

• Subtract the numbers

Tags

CCSS.5.NBT.B.7

After multiplying the numbers, what should you do next?

• Subtract the numbers

• Add the numbers again

• Ignore the decimal

• Count the total number of digits to the right of the decimal in the original numbers

Tags

CCSS.5.NBT.B.7

How many places should you move the decimal in the final answer when multiplying decimals?

• Three places

• Two places

• One place

• As many places as the total number of digits to the right of the decimal in the original numbers

Tags

CCSS.5.NBT.B.7

What should you do with the decimal in the divisor when dividing decimals?

• Move it to the left

• Add a zero

• Move it to the right until all nonzero numbers are on the left

• Ignore it

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

How many times should you move the decimal in the dividend when dividing decimals?

• The same number of times as in the divisor

• Twice

• Once

• Three times

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Where should you place the decimal in the quotient when dividing decimals?

• Directly above the decimal in the dividend

• At the end

• At the beginning

• Ignore it

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Where can you find more help with decimals or other topics?

• A math textbook

• Your tutor online website

• A friend

• Your local library