Ratios, rates and percentages
Lines
Geometry
Number Sense & Data Management
Algebra
100
What is 2% as a decimal?
0.02
100
Which of the following would NOT be a line
a.) 4x - 8y = 32
b.) y = 2x2 + 10
c.) y = -1
d.) x = 15
b.) y = 2x2 + 10
100
What is the circumference of a circle that has a radius of 4 cm
C = 2(pi)(r)
C = 2(3.14)(4)
C = 25.12
Therefore the circumference is around 25.12 cm.
100
What is the median of the data in the box plot below.
79
100
Evaluate
33
33 = 3 x 3 x 3 = 27
200
What is 18% of 240 ?
43.2
200
If a car is driving at 20 km / hr, what would be the algebraic expression for its speed in relation to the distance travelled? (Let t represent time and D represent distance)
a) t = 20D
b) D = 20t
c) D = 20 - t
d) t = 20 + D
b) D = 20t
200
If the measurement of one of the angles in a right triangle is 40 degrees, what is the measurement of the other angle?
Sum of all angles in a triangle is 180 so:
180-90-40 = 50
Therefore the last angle is 50 degrees.
200
If there are 2.2 pounds in a kilogram, how much does a 20 kilogram brick weigh in pounds?
1 kg = 2.2 lbs.
x20
20 kg = 44 lb
Therefore the brick weighs 44 lbs.
200
Solve for x:
24 = x + 15
24 (-15) = x + 15 (-15)
x = 9
Check: 9+ 15 = 24
300
If Ms. Krol watches 2 movies every month, how many movies would she watch in a year?
2 movies x 12 months = 24
Therefore Ms. Krol watches 24 movies a year
300
If a pizza costs $10 and an additional 50 cents per topping, what would the algebraic expression be for total cost? (Remember to define your variables)
Let n represent number of toppings and C represent total cost.
C = 0.5n + 10
300
Find the distance between the water fountain and swings.
Hint: a2 + b2 = c2
18.73 m
300
What is the range of the data in the box plot below.
From 3 to 16
13
300
x/4 + 10= -2
x = -48
400
What is the percentage of months in the year that start with the letter J?
3 (January, June, July) out of 12 months is one quarter of all the months or 25%
Therefore 25% of the months start with the letter J.
400
How many cookies would there be on Day 6? 
6 cookies
400
Create an expression for the area of the rectangle. 
A = 25x2 -20x
400
23 is 29% of what number?
x(0.29) = 23
x = 79
400
Solve for x:
2x + 22 = 8
2x + 22 = 8
2x + 4 = 8
2x + 4 (-4) = 8 (-4)
2x (÷2) = 4 (÷2)
x = 2
500
What is the ratio of total students to right-handed students based on this information:
- total students:30
- 10% of students are left-handed
10% of 30 is 3 so 3 students are left handed.
Therefore the ratio of
total students to right-handed students is:
30:3 or 30 to 3.
500
Rearrange the following standard equation to slope y-intercept form.
4x + 2y = 10
2y = 10 - 4x
y = 5 - 2x
y = -2x + 5
500
What are the side lengths of a cube if the volume is 64 cm3?
Volume = L x W x H (L = W = H)
64 = L x W x H
64 = 4 x 4 x 4 (or cube root of 64)
Therefore the side lengths are 4cm.
500
If student A is working a part time job that pays $15 an hour and gets a raise of 2% every year, what would be their hourly pay after working for 4 years?
2% of $15 is 0.3 or 30 cents
so after 3 years: 0.3 x 4 = $1.20
15.00 + 1.20 = 16.2
Therefore, the hourly rate would be $16.20.
500
4/3x - 7 = 9
x = 12