The Basics Review
GCF of 18 and 36
What is 18?
Which is a larger number?
-6 or -4
-4
How do you find the mean?
Add up all the numbers and divided by how many numbers you have
72 + 82 + 92
What is 194?
These are the six factors of 20.
What is 1,2,4,5,10 and 20?
16/44 in simplest form
What is 4/11?
2/3 + (-3/4)
What is -1/12?
Solve: 3(x + 2) = 15
x=3
Use the distributive property so solve for x.
0.5(x+50)=20
x= -10
Four coins are flipped. What is the probability of the coins all landing on heads?
1/16
4 5/17 as an improper fraction
What is 73/17?
-3 7/8 - 14 11/12
What is -18 19/24
How do you find the area of a triangle?
1/2bh
Solve for n. (n=?)
3n + 1.2= -4n - 0.9
n=0.3
-11 - 8 = ?
-19
Use the distributive property to simplify.
5(4x + 3) = ?
20x+15
102.4 = 8(b + 10.5)
What is 2.3?
What is an expression for the following:
5 increased by twice a number
5+2x
What is 10% of 275?
27.5
-6 + -19 = ?
-25
Number of sides in a parallelogram
What is 4?
Likelihood of an event occurring:
Bills are due on the 32nd of the month.
Impossible
10 + 3K = 22
k= 4
The weather report says there is a 30% chance of rain. What is the probability that it does not rain?
70%
-2x + 7 = -32
x = 19.5
This shape has 4 congruent (equal) sides and 4 right angles.
What is a square?
Likelihood of an even occurring:
It will rain if there is thunder?
Likely
7 = 2w - 3
w = 5
In the movie drawer, there are seven action movies, five comedies, and three dramas. What is the probablility of choosing an action or comedy?
4/5
The letters of the alphabet are written on ccards and placed in a brown paper bag. What is the probability of drawing a consonant, replacing it, and then drawing a Z?
21/676
How do you find the perimeter of a rectangle?
What is add the 2 lengths and 2 widths?
Likelihood of an event occurring:
Scoring a touchdown will result in 6 points.
Certain
19 = 4p - 5
p = 6
A basket of beads contains 8 red beads, 6 yellow beads, and 6 green beads. a bead will be drawn from the basket and replaced 60 times. What is a reasonable prediction for the number of times a green bead is drawn?
18 green beads
The list below shows the different choices of pizza at the local pizza shop:
Pepperoni: 11, Supreme: 7, Cheese:6, Hawaiian: 3
Based on these results, what is the theoretical probability of choosing a Hawaiian pizza?
1/9