Algebra
Probability
Multiplying Decimals
Order of Operations
Prime & Composite
100
“a number, n, decreased by 15 is 72”
n - 15 = 72
100
There are two bags. In one bag there is 2 blue marble, and 1 green marble. In the other bag there are 2 blue marbles and 1 red marble. The sample space below represents all of the possible outcomes when choosing one marble from each bag.
Which statement best describes the probability of choosing a blue and a blue marble?
impossible
unlikely, but not impossible
equally likely as choosing two blues
likely, but not certain
likely, but not certain
100
What is the product of 4.7 and 0.34?
1.598
100
When simplifying the following expression using order of operations, which computation should be performed first?
4 ÷ 2
100
How many factors does a prime number have?
1 and itself
2
200
What is the variable in the equation, 7+b = 3?
b
200
Ms. Miller flipped two coins – a penny and a nickel. What is the probability that the coins will land heads and Tails?
1/2 or 2/4
200
6) Mr. V earns $63 dollars a week at his part-time job. He plans to work 51 weeks this year. About how much will he make this year?
3,000
200
Simplify: (3 + 2 ÷ 2) x 5 - 2
18
200
Which of the following numbers is NOT prime?
a. 11
b. 19
c. 21
d. 31
21
300
Jordan is saving money to buy a Play-Station 5 that costs $579. He has already saved $242. Write an equation that includes a variable to show how much more he needs to save.
$242 + n = $579
300
Sample space shows all the possible combinations of one type of main dish and one type of drink from which Mr. Charlet. can choose.
Cereal, Milk / Cereal, Juice
Eggs, Milk / Eggs, Juice
Pancakes, Milk / Pancakes, Juice
According to the sample space, what is the probability that the combination Mr. Charlet will choose eggs and juice?
1/6
300
Which expression has the same value as 2 x 15?
(2 x 5) +1
(2 + 1) x 5
(2 x 10) + (2 x 5)
(2 x 1) + (2 X 5)
(2 x 10) + (2 x 5)
300
If you were to evaluate this expression, which operation would you start with?
28 ÷ 4 + 3 x 5
28 ÷ 4
300
Which set of numbers contains only prime numbers?
a. (0, 1, 2, 3)
b. (1, 2, 3, 4)
c. (2, 3, 5, 7)
d. (2, 3, 5, 9)
(2, 3, 5, 7)
Bonus points 200
Is 1 a prime or composite
400
Ms. Miller, Ms. Yates, and Mrs. Tolley are all 17 years younger than Mr. Varick. If the letter s represents Ms. Miller, Ms. Yates, and Mrs. Tolley, which expression best describes how old Mr. V. is?
17 − s
400
If the spinner below is spun once, what is the probability of spinning green?
400
Mrs. Susnock made 15 chocolate cakes to sell at a carnival. She earns $20 for each cake she sells. How much will Mrs. Susnock earn if she sells all 15 cakes?
300
400
Evaluate this expression. Show each of your steps.
49 ÷ 7 x (13 – 3 x 2)
49
400
Which of the following explains why 13 is a prime number?
It has exactly two different factors
500
Ms. Miller shared 55 stickers equally with her fellow teachers. Each teacher received 11 stickers for their classes. If n is the number of Miller’s teachers, which equation shows how many teachers Ms. Miller shared with them?
55 ÷ n = 11
500
If the spinner below is spun once, what is the probability of spinning a prime number?
5/8
500
Mr. Charlet estimated that 5.43 x 9 is about what to the nearest whole number, and tenth
Whole number 49
Nearest tenth 48.9
500
Evaluate the expression shown below.
36 ÷ 6 + (10 – 4) x 2 – 1
17
500
Which of the following statements best explains why 24 is a composite number?
All composite numbers have more than two factors