“a number, n, decreased by 15 is 72”
n - 15 = 72
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
What is the product of 4.7 and 0.34?
1.598
When simplifying the following expression using order of operations, which computation should be performed first?
8 – 4 ÷ 2 + 3 x 5
4 ÷ 2
How many factors does a prime number have?
1 and itself
2
What is the variable in the equation, 7+b = 3?
b
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
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
Simplify: (3 + 2 ÷ 2) x 5 - 2
18
Which of the following numbers is NOT prime?
a. 11
b. 19
c. 21
d. 31
21
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
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
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)
If you were to evaluate this expression, which operation would you start with?
28 ÷ 4 + 3 x 5
28 ÷ 4
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
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
If the spinner below is spun once, what is the probability of spinning green?
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
Evaluate this expression. Show each of your steps.
49 ÷ 7 x (13 – 3 x 2)
49
Which of the following explains why 13 is a prime number?
It has exactly two different factors
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
If the spinner below is spun once, what is the probability of spinning a prime number?
5/8
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
Evaluate the expression shown below.
36 ÷ 6 + (10 – 4) x 2 – 1
17
Which of the following statements best explains why 24 is a composite number?
All composite numbers have more than two factors