Adding Decimals
Subtracting Decimal
Powers of 10
Multiplying Decimals
Dividing Decimals
100
It is important to -------------------------before you add decimals.
line up the decimal
100
When subtracting decimals it is a must to -------------------.
line up the decimals
100
What is 10^2?
100
100
The first rule of multiplying decimals is -------- the decimal.
ignore
100
The first rule of dividing decimals is to ---------- the decimal.
ignore
200

3.205 + 11.726 =?

14.931

200

45.3 - 21.72=?

23.58

200
What is 10 X 10 X 10 as an exponent?
10^3
200
3.24 X 0.4
1.296
200
34.5 divided by 5?
6.9
300
James bought a soda for $1.25 and a Big Mac for $2.43 at McDonalds. How much did he spend before tax was added?
$3.68
300

67.35 - 2.597=?

64.753

300
1.23 X 1000= ?
1,230
300
After you multiply, the decimal must be added back into the answer. The answer will have ----------- number of digits behind the decimals as the numbers being multiplied.
the same
300
Cassy has 12.34 oz of milk. She wants to share it with her friend Carol. How much milk will Cassy and Carol each get if they share the milk equally?
6.17 oz of milk
400

21.25 + 107.892 + 6.3

135.442

400

Kelly's total bill at the grocery was $36.21. She paid with a 50 dollar bill. How much change will she get back?

$13.79

400
723.45 divided by 100?
7.2345
400

2.319 X 6.67

15.46773

400

9.04 divided by 0.08?

113

500

4.21 +37.002

41.212

500

Marshall ran 2.7 miles on Monday. He ran 3.25 miles on Tuesday. On Wednesday, he ran 1.5 miles. How many more miles did he run on Monday and Tuesday compared to Wednesday?

4.45 miles

500
5.24 X 10^3=?
5,240
500

125.31 X 10.215

1280.04165

500

812.30 divided by 0.83?

978.674

978  674/1000 

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