Ratios and percents
1:3 = 2:____
6
-3 + -4 =
-7
Solve for x:
x + 3 = 10
x = 7
On this spinner, what is the probability of landing on green?
1/6
How do you find area of a rectangle?
length x width
7:9 = ____:36
28
-11 x -4 =
44
Solve for x:
4x = 36
x = 9
On a dice, what is the probability of landing on an even number?
3/6 or 1/2
A triangle has a base of 2 cm and a height of 7 cm. What is its area?
7 cm^2
Ms. Magaña walked 6.2 miles in 1.3 hours. What was her unit rate in miles per hour?
4.77 miles per hour
9 - 15 =
-6
Solve for y:
2/3 y = 4
y = 12/2 = 6
On the spinner, what is the probability of landing on yellow or orange?
4/6 or 2/3
A rectangular prism has length 3in, width 7in, and height 8in. What is the volume?
V = 168 in^3
Jayrien can type 157 words in 2 minutes in typing club. Jadiel can type 316 words in 4 minutes in typing club. Who types faster? (Must show work!)
Jayrien: 78.5 words/min
Jadiel: 79 words/min
Jadiel is faster!
What are the rules for multiplying and dividing with negative numbers?
n x n = p
p x p = p
n x p = n
Solve for x:
3x + 7 = 16
x = 3
You spin the spinner twice. What is the probability of landing on yellow then landing on blue?
What is the volume of a cylinder with a diameter of 13m and a height of 18m?
2387.97 m^3
Ms. Gaston made 35 cookies for the teachers, but Loki ate 4 of them! What percent of the cookies did Loki eat?
11.4%
-13 + 11 - (-6) =
4
Solve for x:
-6x + 17 = -13
x = 5
You spin 2 dice.
a) How many possible outcomes are there?
b) What is the probability that the sum of the numbers is 5?
a) 6x6 = 36
b) (1,4; 4,1; 2,3; 3,2) 4/36 = 1/9
A pyramid has a trapezoidal base, shown in the picture. The height of the pyramid is 11 cm. What is the volume of the pyramid?
A = 0.5 (15+20) (8) = 140 cm2
h = 11 cm
V = 140(11) = 1540 cm^3