Ratios and Rates
There are 3 red pens for every 5 black pens. What is the ratio of black to red pens?
5 to 3
Write an algebraic expression
5 more than twice a number
2x + 5
What is the fraction equivalent of 25%
1/4
What is the relationship between the base and height of a triangle?
They are perpendicular to each other.
What is 3/5 written as a decimal value?
0.6
The ratio of shots made to shots missed is 8:5. If John made 24 shots, how many did he miss?
15 shots
What is 32% written as a decimal value?
0.32
A triangle has a base of 5 feet and a height of 4 feet. What is the area, in square feet of this triangle?
10 squared feet
What is 1/3 of 1 4/5?
3/5
Snow fell at a rate of 5 inches every 2 hours. How much snow fell in 5 hours?
12.5 inches
What is the value of 72 + 3?
52
What is 20% of 70?
14
What is the Greatest Common Factor of 24 and 42?
6
3/4 of a pizza is left from dinner. If it is shared with 6 people, what fraction of the original pizza will each person get?
1/8
Bananas cost $0.60 per pound. How much do 3 1/2 pounds cost?
$1.95
A carton contains 12 eggs. What is an expression for the number of eggs in c number of cartons?
c x 12
What is 0.185 written as a percent?
18.5%
Simplify
4(2x +3) - 3
8x +9
Mary is making napkins. Each napkin requires 1/3 yard of fabric. How many napkins can she make with 3 2/3 yards of fabric?
11 napkins
Which is the better buy?
5 apples for $2.75 or 12 apples for $6.72
5 apples for $2.75
What is the value of n that makes the equation below true? n/3 = 12
36
35% of students completed their homework in before dinner. If there are 400 students in grade 6, how many finished their homework before dinner?
140 students
3(23 - 2) + 4(5 - 3)2
34
It takes 2 1/2 minutes to wash a window. How long will it take to wash 12 windows?
30 minutes