7th Math Review
Random
Reference Chart
More 7th Math Review
Proportions
100
-17+32=
15
100
Simplify
-225 ÷ (-5 · 15)
What is 3?
100
What is the area of a circle formula?
A = pi r2
100
-87 + 3
-84
100
What does "is" and "of" stand for in the following proportion?
200
A map of a farm has a scale of 1 inch = 6 miles. The dimensions of the map are 7 inches by 12.5 inches. What is the actual area of the farm?
What is 3,150 square miles?
200
It takes Leslie 40 minutes to pick 54 apples from a tree. If it takes Leslie the same amount of time to pick apples from each tree in an orchard, how would you describe her unit rate?
Leslie picks 1.35 apples every minute
200
What is the formula for the circumference of a circle?
C = Pi Multiplied by diameter
200
73+52
368
200
How do you know you need to use a proportion?
1. When you are looking for the %
2. When your word problem gives you a whole, and a % and you need to find the part.
3. Anytime the word problem wants you to find a measurement value when given a equivalency.
300
A pair of shoes is 110.00. They are on sale for 20% off. If you have to pay 7% sales tax after the discount. What is the total cost of the shoes?
$94.16
300
Molly picks 3/4 pound of grapes in 2/8 hour. How many pounds of grapes is Molly picking per hour?
What are 3 pounds per hour?
300
2 X (-4) + 3
-5
300
At what rate does Tina grade papers if she graded 100 papers in 2 hours?
50 papers per hour
400
Regis buys a wallet for $17.35, a T-shirt for $10.05, and a belt for $7.50, There is a sales tax of 9.5% on each item. What is the total cost Regis will pay for all of the items?
What is $38.22?
400
Sam mows 25% his 500 acre plot. How much of the 500 acres did he mow? How much is left?
125 acres with 375 acres left