Integers
A whole number that is either negative or positive, but not zero.
What is an integer?
solve (1/2)+(2/3)
7/6 or 1 1/6
A relationship in which for every x units of one quantity there are y units of another quantity.
What is a ratio?
Solve 32*35
37
The chance of an event happening.
What is Probability?
Solve 4+(-3)
1
(1/3)+(2/3)-2
-1
A ratio involving two quantities measured in different units.
What is a rate?
(52)3
56
Find the probability of rolling a three or five on a six-sided dice.
P(3 or 5)= 1/6
Give a real world example for -15+10
(4/5)*(5/7)
4/7
A lobster molts, or sheds its shell, 20 times over a period of 5 years. How many times per year does the lobster molt?
4 molts/year
Simplify 60-4(6-2)+23/8
43
Find the mean and mode of the following numbers.
5, 4, 7, 4, 8, 7, 7
Mode: 7
Mean: 6
-5*4
-20
(3/4) divided by (1/2)
3/2 or 1 1/2
Find the unit rate for 219 heartbeats in 3 minutes.
73 heartbeats/min
Solve 2x-3=5
x=4
Find the probability of flipping a coin and getting heads, then rolling a dice and getting an even number.
P(H, even)= 1/2
-12+(-2)*(-3)
-6
(5/6)-(2/3)*(1/2)
3/6 or 1/2
Your neighbor commutes 12 miles to work. You commute 9/10 mile to school. What is the ratio of your neighbors commute to yours as a fraction in simplest form?
40/3
Factor 64+8x
8(8+x)
A diner has a special going on a three course meal. You can chose from two appetizers, three entrees, and two deserts. If you can choose one from each category, then what is the sample space for a dinner?
12