Numbers and Operations
What is the product of a negative and a positive integer?
What is a Negative Integer?
Simplify the expression: 2a - 5b + 4a + 8b
6a +3b
Combine like Terms
What is the likelihood of an event with a chance of .85?
Likely OR Very Likely
What is a unit rate?
A rate with a denominator of 1
What is the area of a square with a side length of 8cm?
64cm2
15 - (-20) = ?
35
Remember to always rewrite subtraction as addition.
Explain why these expressions are equivalent:
40x + 15
5(8x + 3)
If you apply the distributive property to 5(8x +3) you will get 40x +15
What is the probability of rolling an even number on a standard dice?
1/2
.5
50%
Write the ratio of 8 apples to 12 oranges in simplest form.
2:3
How do you find the volume of any right prism?
V= (base area) x (height)
-7 - 5 + 10 = ?
-2
Write an equation for the following scenario: Ryan wants to buy chick-fil-a sandwiches for his family. Each sandwich costs $6 dollars.
y=6x, Where x is the number of sandwiches and y is the the total cost.
Curtis wants to figure out what is the most popular sport in the school. Curtis only surveys the people in his DEN. Will this data be representative of the whole school? Why or Why not?
No, Curtis needs to randomly survey everyone in the school. His data only represents his DEN class.
A car travels 180 miles in 3 hours. What is the unit rate in miles per hour?
60 miles per hour
What are the formulas for finding the Circumference and Area of a circle?
C= d(pi)
A= (pi)(radius)2
(-2)(-5)(-7) =?
-70
Jacob takes an Uber from his house to work. Uber charges an initial fee of $4 and an additional $2 per each mile traveled. If Jacob's ride cost $28, how many miles did he travel?
12 miles
From a bag, Evan selects 10 marbles. Of the 10 marbles 4 of them are green. If the bag has a total of 100 marbles, how many could you approximate to be green?
about 40 marbles are green
A recipe uses 2 cups of flour for every 3 cups of sugar. How many cups of flour are needed for 9 cups of sugar?
6 cups of flour
What is the area of a circle with a diameter of 10 meters? (use 3.14 for pi)
78.5 meters2
14x - 35
The distributive Property is when you multiply a number on the outside of parentheses by all the numbers on the inside of the parentheses.
Write an equation for the following scenario: Becca goes to Hobby Lobby for printer ink and colored paper. The printer ink cost $45 and each pack of paper cost $1.50. Becca spent a total of $54.
1.50x + 45 = 54
If a bag has 7 green marbles, 3 blue marbles, and 10 yellow marbles. What is the probability of selecting a blue marble? Express answer as a fraction, decimal, and percent.
3/20
.15
15%
A table shows that when x=2, y=10; when x=4, y=20. Is the relationship proportional?
Yes, because 10/2=5 and 20/4=5.
Kyle is riding his bike. The bike tire has a diameter of 14 inches. After 20 revolutions, How far has kyle traveled? (use 3.14 for pi)
879.2 inches