Decimals- Add, Subtract, Multiply, & Divide

Where does decimal goes for whole number?

• after it

• below it

• above it

• before it

Most important rule when adding and subtracting decimals

• placing zeros at the end

• lining up decimals

• move decimal straight up

• be sure to borrow when necessary

When multiplying decimals, you will need to count _____________ in order to help solve he problem

• how many zeros are in each number

• how many digits are to the left of the decimal for each number

• how many odd numbers are in the problem

• how many digits are to the right of the decimal for each number

When dividing decimals, the first question you should ask yourself....

• did I line up my decimals?

• Are there any zeros?

• is the divisor a whole number?

• is the dividend a negative or positive number?

The number that is being divided or split up.

• quotient

• dividend

• divisor

• variable

86.04 + 4.04

• 9.044
• 9044
• 90.08
• 90.44

Find the sum 3.35 + 1.4 + 3.65

• 8.9
• 8.22
• 8.43
• 8.4

Which addition equation has the sum of 7.29?

• 7.00+7.29

• 4.00+0.29

• 4.62+9.00

• 4.18+3.11

The Bell family traveled and drove 10.9 hours; then 8.6 hours; then 12.4 hours. What is the sum?

• 31.9 hours
• 30 hours
• 31 miles
• 31.8 hours

 Charlotte is happy because it has snowed in her town for three straight days. On Monday, it snowed 3.56 inches. On Tuesday, it snowed 4.359 more inches. On Wednesday, it snowed 3.07 more inches. What was the total snowfall over the three days?

• 10.99 in.
• 10.989 in.
• 11 in
• 11.1 in