The Number System
The number that is the opposite of -3.
What is 3?
Three equivalent ratios to 3:7.
What are (answers vary) 6:14, 9:21, 12:28, etc...
The difference between surface area and volume.
What is "surface area is the area of each side of the shape, while volume is the space inside?" or "surface area is measured in square units, while volume is measured in cubic units?"
The phrase "4 less than twice x" as an algebraic expression.
What is 2x - 4?
An example of a statistical question.
What is (answers vary) any question that does not have one, certain answer?
What you need to add/subtract fractions, but not multiply/divide them.
What are common denominators?
An example of a part : whole ratio.
What is (answers vary) something LIKE: If there are 12 animals in a shelter, 4 of which are dogs, then the ratio of dogs : animals is 4 : 12.
When plotting points, the quadrant in which a point
(-x, y) would go.
What is quadrant II?
The special part about the MD and AS steps in the Order of Operations.
What is "you do MD moving from left to right, even if division comes first; same with AS?"
The definitions of mean, median, mode, and range.
What is "mean is the average, median is the middle, mode is the most-often, and range is the difference between the max and min?"
The number of decimal places in the answer to the problem 1.23 x 27.39.
What is four?
The reason that 8:6 and 24:18 are equivalent.
What is "the ratio was multiplied by 3?"
What do we do to find the area of a composite/compound shape?
What is "split the shape into shapes we know?"
The mathematical definition of substitution.
What is "plugging a number in for a variable in an expression/equation?"
Jared plays football, and wants to know which sport 7th graders prefer. He asks only the 7th grade football team. The reason why this is not a fair, unbiased sample to collect data from.
What is "he should ask random 7th graders because the football players are likely to like football?"
Two fractions that are smaller than 1/4.
What are (answers vary) 1/5, 1/6, 1/7, etc...
The definition of a unit price.
What is "the cost of one item?"
The procedure for finding the volume of any prism.
What is "find the area of the base, and multiply it by the length the prism was extended?"
A non-example of like terms.
What is (answers vary) x2 and x, etc.?
The difference between the Q1, Q2, and Q3 of a data set.
What is "Q1 is the median of the first half, Q2 is the median of the entire data set, and Q3 is the median of the second half?"
Two fractions smaller than -1/5.
What are (answers vary) -1/4, -1/3, -1/2, etc.
80% of 200.
What is 160?
What is QIII?
The difference between the Distributive Property and Factoring.
What is "The distributive property is a(b+c)=ab+ac, and factoring is that in reverse?"
The difference between a measure of center (MMM) and a measure of variability (R, IQR).
What is "a measure of center is trying to describe the center of a data set, while a measure of variability is describing the spread of a data set?"