Ratios & Proportional Relationships
What is the unit rate of 24 miles in 3 hours?
8 miles per hour
-5 + 8 = ?
3
Evaluate: 3x + 5 when x = 4
17
What is the area of a rectangle with length 6 and width 4?
24
What is the mean of 2, 4, 6?
4
If 3 pencils cost $1.50, how much do 6 pencils cost?
$3.00
-6 × -4 = ?
24
Solve: x - 7 = 12
X=19
What is the circumference of a circle with radius 3? (Use 3.14)
18.84
What is the median of 3, 7, 9?
7
Solve: 2/5 = x/15
6
12 ÷ (-3) = ?
-4
Solve: 2x + 3 = 11
X=4
What is the area of a triangle with base 10 and height 4?
20
What is the probability of rolling a 3 on a fair die?
1/6
A recipe uses 2 cups of flour for 8 cookies. How many cups are needed for 20 cookies?
5 cups
-3 + (-7) = ?
-10
Write an expression: “5 more than twice a number”
2x+5
What is the volume of a rectangular prism (l=5, w=2, h=3)?
30
What is the range of 5, 8, 12, 3?
9
Is the relationship proportional? (x,y): (2,6), (3,9), (4,12)
Yes (constant ratio = 3)
(-2)(3) + 5 = ?
-1
Solve: 3(x - 2) = 12
X=6
Find the missing angle: triangle with angles 50° and 60°
70°
A bag has 4 red, 3 blue, 3 green marbles. What is the probability of pulling a red marble? Simply your answer.
2/5