Adding/Subtracting Integers
Multiplying/Dividing Integers
Adding/Subtracting Fractions
Adding/Subtracting Decimals
Order of Operations
100
-4 + 13 - 11 = ?
-2
100
-2 x -4 x 1 =
8
100
(-3/2) + 8/5
1/10
100
6 - 3.98
2.02
200
-8 - (-12) + 17 - 30 = ?
-9
200
12/-6 x -3
6
200
(-1/5) + 7/4
31/20
200
-5.8 + (-2.54)
-8.34
200
Mr. Cushman bought 7 Hannah Montana t-shirts for a total of $90.93. Each t-shirt cost the same amount. How many Hannah Montana t-shirts did Mr. Cushman buy?
n - # of t-shirts 7n = 90.93 n = 12.99 Each t-shirt cost $12.99
300
12 - 22 + (-17) - 42 + (-4)
-73
300
4 x -8 / -16
2
300
2/5 - 4/5
-2/5
300
1.7 - (-0.13) + 4.015
5.845
300
Tyler has 4 boxes of apples. Each box has the same number of apples. After Tyler eats 3 apples, there are 109 apples left in the boxes. How many apples were in each box?
a - # of apples in each box 4a - 3 = 109 a = 28 There were 28 apples in each box.
400
30 - (-10) +11 - 20 + (-25)
6
400
35 / -7 x -14
70
400
7/4 - (-1/2)
9/4
400
-0.28 - 3.1 + 8.545
5.165
400
Mr. Bucci goes to the grocery store and purchases 17 bags of raisins and a $2.97 jar of peanut butter. His total cost was $34.76. What was the cost for a bag of raisins?
r - cost of a bag of raisins 17r + 2.97 = 34.76 r = 1.87 Each bag of raisins cost $1.87
500
-11 - (-16) + 20 - (-8) + 19 =
52
500
3(-6 - 8)
-42
500
-4/9 - (-7/8)
-95/72
500
-2.23 + 9 - 13
-6.23
500
When you count by ones fron many integer, you are counting consecutive integers. Using variables, three consecutive integers are n, n + 1, and n + 2. The sum of three consecutive integers is 48. What are the integers?
n + n + 1 + n + 2 = 48 n = 15 The integers are 15, 16, and 17.
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