A negative times a negative is a _________
Positive
1/5 + 2/5
3/5
Write the following in exponential form:
2 x 2 x 2 x 2 x 2 x 2 x 2 x 2
28
The acronym for the order of operations is _______ and it stands for _________________________.
PEMDAS: Parentheses, Exponents, Multiplication & Division, Addition and Subtraction
Write the following as a ratio in fraction form:
There are 27 full-time employees and 15 part-time employees
27/15
-5 + 4 = ?
-1
Convert 3 3/7 into an improper fraction
24/7
43 = ?
64
simplify
1
Solve the following proportion:
4/5 = x/10
8
In the afternoon it was 107.2 degrees, then the temperature dropped to 88.7 degrees in the evening. By how many degrees did the temperature drop?
18.5 degrees
Ken drinks 2/7 of his water jug every hour. How much of his water jug does he drink in 3 hours?
6/7
√49
7
simplify:
2
Mika can eat 21 hot dogs in 6 minutes. She wants to know how many minutes it would take her to eat 35 hot dogs if she can keep up the same pace.
She sets up a proportion to solve, and the first ratio she writes is:
21 hot dogs / 6 minutes
Write the second ratio.
35 hot dogs / m minutes
Marcus buys 11 packs of rib-eye steaks. Each package weighs 2.5 pounds. How many pounds of steak did he buy in all?
27.5
5/6 ÷ 2/3
(answer can't be an improper fraction and should be reduced to its smallest form)
1 2/3
-23
-8
simplify:
26
Jovie is maintaining a camp fire. She has kept the fire steadily burning for 10 hours with 15 logs. She wants to know how many hours she could have kept the fire going with 9 logs. She assumes all logs are the same.
6 hours
Linda walked 6.3 miles in 2.5 hours. How many miles did she walk each hour?
2.52 miles
My friends ordered 3 pizzas. We ate 1 2/5 pizzas. What fraction of the pizzas do we have left over?
1 3/5
The area of a square is 81 ft2. What is the length of one of its sides?
(hint: area formula is A = S x S, or A = S2)
9 ft
10
Maddy is carrying a 5 liter jug of sports drink that weighs 7 kgs . She wants to know how many kilograms a 2 liter jug of sports drink would weigh. She assumes the relationship between volume and weight is proportional.
What is the weight of the 2 liter jug?
2.8 kgs