Order of Operations
(10 − 6 + 8 ÷ 2) × 3
24
A parallelogram has a base of 2.5 and a height of 4, what is the area?
10 square feet
Jared tried making 20 free throws. He only made 16, what percent did he make?
20%
2x + 3 = 11
x = 4
If there are 6 boys and 3 girls, what is the ratio of girls to boys in lowest form?
2:1
10 − 6 × 5 ÷ (2 + 4)
5
There are 60 marbles in a bag, 20% of them are red. How many are red?
6n − 2n = 16
n = 4
The ratio of girls to boys is 3:4, how many boys are there if there are 9 girls?
10 − 6 × 5 ÷ (2 + -4)
25
What is the area of a rectangle whose given side lengths are 8 cm and 1.2 cm?
9.6 square cm
Ms. Shine bought 10 apples to school. This was 25% of all the fruit she bought. How many total fruits did she bring?
40%
r + 11 + 2r = 29
x = 6
12 cats
(−5) − 2 × (−5) + 6
11
What is the volume of a cube with faces equal to 3cm by 3cm?
27 cm3
At an animal shelter, 30% of the dogs are pitbulls. If there are 12 pitbulls, how many total dogs are there?
40 dogs
10(1 + 3b) = −20
b = -1
To make green, you must mix 3 teaspoons of blue and 2 teaspoons of yellow. How much green would you make if you use 10 teaspoons of yellow?
25 teaspoons of green
8 × (10 − 6) ÷ (-2) + 4
-12
Megin created a triangular shaped vegetable garden and needs to put down fertilizer to cover the space. If the garden has a base of 1.4 m and a height of 2.6 m, how much fertilizer will she need?
1.82 m2
Elmer has a collection of 300 fossils. Of these, 21% are fossilized snail shells. How many are fossilized?
63
8 = 8v − 4(v + 8)
v = -6
Last week Bill earned $210 for a 30-hour week. What was his pay rate? AND What would he have earned for a 40-hour week?
Pay rate = $7/hour
In a 40-hour week Bill would have earned $280.