Adding
4.2 + 3.1
7.3
4.2 - 3.1
1.1
1.5 x 3
4.5
What two operations (adding, subtracting, dividing, or multiplying) is it most important for you to LINE up the DECIMALS?
Adding and Subtracting
85.30 x 10?
853 or 853.0
7.32 + 5.8
13.12
38.61 - 5.04
33.57
0.9 x 6
5.4
What are the rules for adding decimals?
1. ______________ the decimals.
2. Fill in ____________.
3. ________.
4. Bring ____________________.
1. Line up the decimals.
2. Fill in the zeros.
3. Add
4. Bring the decimal down.
0.009 x 10,000
90
7.99 + 4.78
12.77
60.75
3.12 x 8
24.96
What are the rules for subtracting?
1. Line _________________.
2. ________________ zeros.
3. ______________.
4. ___________________________.
1. Line up the decimals.
2. Fill in the zeroes.
3. Subtract.
4. Bring the decimal down.
4507 x 103
4 507 000
75.4 + 0.5919
75.9919
17.89123 - 4.52
13.37123
4.007 x 4
16.028
What are the rules for multiplying decimals?
1. ______________.
2. _________ the ________ of digits after the _________ in your problem.
3. Your answer will have that many _______ behind your decimal.
1. Multiply.
2. Count the number of digits after the decimal in your problem.
3. Your answer will have that many numbers behind your decimal.
Give the product of 562.4349 x 103
What is 562434.9?
3.72 + 6.0064
9.7264
Kelly's brother weighs 7.71 pounds. Her newborn kitten weighs 0.24 pounds. How much more does Kelly's baby brother weigh than her kitten?
7.47 pounds
Ms. Morgan bought 3.5 pounds of bananas at $0.51 a pound and 4.5 pounds of pineapple at $1.19 a pound. How much did she pay for the bananas and the pineapple?
$7.14
When converting a mixed number to a decimal ___________ mixed number to a/an ___________. Then _______ the __________ into ___________.
What is
convert or change
improper fraction
Then divide the denominator into the numerator.
A boutique manageress bought 100 dresses, each cost $795.30. What is the total cost of the dresses to the manageress?
What is $79530.00 or $79530