Unit 1 - The Number System
Units 2+3 - Equations and Inequalities
Unit 4 - Ratios and Proportions
Unit 5 - Statistics
Unit 6 - Probability
100
Reduce this fraction: 16/32
1/2
100
What is a letter that is used in an equation called?
Variable
100
What do you call a statement that says two ratios are equal?
A Proportion
100
What is the mean of this data: 34, 56, 45, 35, 23, 50
40
100
What is experimental probability?
actually doing an experiment
200
What is 3 x (-4)?
-12
200
Combine like terms: 3x + 21 + 4 + 2x
5x + 25
200
If you can buy 4 candy bars for $2, what is the unit rate?
1 bar for 50 cents
200
Biased or Unbiased? Survey 200 randomly selected customers at Kroger.
unbiased
200
What is theoretical probability?
thinking about the probability
300
What is (-3) x (-2)?
6
300
What does this sign mean? >
Greater than
300
What are the 3 ways to write a ratio?
1/2, 1:2, 1 to 2
300
Biased or Unbiased? Survey 250 people at movie theatre to see how much they spend on nights out
biased
300
JJ rolled a die 20 times. She rolled odd numbers 8 times. What is the experimental probability?
8/20 or 40%
400
Change this to a mixed number: 3 4/5
19/5
400
Solve for x: 3x = 12
x = 4
400
Are 1/6 and 2/7 proportional?
No
400
What is the range of the data: 54, 67, 44, 36, 38, 57, 44
31
400
What is the complement of an event?
The opposite
500
Multiply: 1/2 x 2/3
2/6 or 1/3
500
Solve for x: 2x + 17 = 21
x = 2
500
Anna earns $12 in 3 hours. How much will she make in 5 hours?
$20
500
What is the mode of the data: 54, 67, 44, 36, 38, 57, 44
44
500
Describe the likelihood: picking a blue cube from a bag with 7 blue and 37 white.
Unlikely, or 7/37
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