Negatives
PEMDAS
Rational Numbers Word Problems
Scale Factor
Simplifying Equations
100
(-7) + 42
35
100
4 ÷ 2 x 8
16
100
Maria uses her car to deliver pizza. She gets paid $0.60 for every mile she drives. If she drives a total of 5.5 miles, how much will she get paid?
$0.60 x 5.5 = $3.30
100
What is the scale factor from the small fry to the large fry? 
3
100
Solving Equations
x + 3 =4.5
x = 1.5
200
(-23) + 90 + (-73)
-6
200
( 29 - 18 ) + 14 ÷ 2 + 6
24
200
Aidan uses his car to deliver pizza. He gets paid $1.27 for every mile that he drives. If he drives a total of 10.15 miles, how much will he get paid?
$1.27 x 10.15 = $12.89
200
If the scale factor is 4, what is the measurement of x?
24
200
Solving Equations
x - 2 = 6
x = 8
300
-4 - (-9)
5
300
50 - (5x5) + 132
194
300
Last year, Katori grew 4 inches and Michael grew 1/3 of an inch. How much more did Katori grow than Michael?
4 - 1/3 = 3 2/3 inches
300
What says that two ratios (or fractions) are equal?
Proportions
300
(x/2) = 8
x = 16
500
-3 14/100 - (-5.8) - 2 - (-13.54)
14.2
500
5 + ( 2 x 14 ) - 9
24
500
Mrs. Heidel's pool was 76*F in June. It rose 11.5* by August. What was the temperature in Mrs. Heidel's pool in August?
76 + 11.5 = 87.5*F
500
What is the ratio of the length in a drawing (or model) to the length on the real thing?
Scale Factor
500
6x+3+x
7x+3
500
7 1/4 + (-13 9/4) + (-2 1/2) + 15 + (-1 1/5)
3 3/10
500
5 x [(8+2)2 - (16-9)2]
255
500
A garden has 54 flowers planted. If 19 more flowers are planted. How many flowers are there altogether?
54 + 19 = 73 flower altogether
500
What is how much something is per one unit of something else?
Unit Rate
500
12x+4-3x+7
9x+11