Number Sense
Ratio
Algebra
Geometry
Statistics
100
What does zero separate on the number line?
the positive from the negative numbers
100
What is the definition of a ratio?
a comparison between two or more quantities/numbers
100
What is a variable?
a letter that represents an unknown value in an algebraic expression or equation
100
What is area?
The amount of square space inside a shape.
100
What is the mean?
the average
200
Which is colder, -11°F or -13°F, and how do you know?
-13° F is colder because it is more to the left on a number line/it is a smaller number than -11.
200
It rained 5 days last week. What type of ratio is 2:5?
part to part
200
What is the value of the expression below if you substitute 3 in for x?
4x+5
4(3) + 5 = 17
200
What units are used for volume?
cubic units
200
What is the range?
the distance between the largest and smallest data point
300
When multiplying decimals by hand, how do we know where to put the decimal point in the product?
You count the decimal places in each factor and add them together, then you move the decimal this many places from the right in the product.
300
Are these ratios equivalent? How do you know?
3:7 ≟ 6:10
No, because 3x2 is 6 but 7x2 is 14, not 10.
300
What is the difference between an expression and an equation?
An expression does not have an equal sign.
300
How do you calculate surface area?
You add up the areas of each face of the shape.
300
What does "IQR" stand for?
interquartile range
400
When dividing numbers, which number goes "in the house?"
the first number
400
Harvey needs 6 cups of yellow paint and 4 cups of blue paint to make 10 cups of green paint. How many cups of blue paint would he need to make 15 cups of green paint?
6 cups of blue paint
400
How many solutions are there for the inequality x>3?
Infinitely many.
400
How would you find the volume of a triangular prism such as this?
find the area of the triangle and multiply it by the length it was extended
400
Name 2 of the types of graphs we discussed in class.
Box and Whisker, Dot/Line Plot, Histogram, Stem and Leaf Plot
500
How can we convert a fraction into a decimal?
divide the numerator by the denominator/make an equivalent fraction out of 10 or 100
500
What percent of 80 is 20?
25%
500
Which equation represents this situation? Greg had 20 dollars. He spent 4. How much does he have left?
A. 4 - x = 20
B. 4x = 20
C. 4 + x = 20
D. 20 + 4 = x
C. 4 + x = 20
500
Which is a bigger value; the volume or the surface area?
Volume: 216 cm3
SA: 216 cm3
They are the same!
500
What is the GAISE model used for?
conducting a statistical study