Chapter 1-3
The acronym for Order of Operations.
What is PEMDAS?
The largest factor that two or more numbers have in common.
What is Greatest Common Factor (GCF)?
A letter used to represent a number.
What is a variable?
The formula to find area of a triangle.
What is A= 1/2bh?
The middle number in a distribution.
What is the median?
A whole number and a fraction.
What is a mixed number?
The number that tells how many equal factors. Ex: x2
What are exponents?
Uses an equal sign to show that two expressions are equal.
The measurement of the outer surface of an object.
What is surface area?
The difference between the highest and lowest numbers in a data set.
What is the range?
A fraction inverted (flipped upside down).
What is the reciprocal?
Whole numbers and their opposites.
What are integers?
Operations that undo each other.
What are inverse operations?
The "unfolded" or 2D version of a 3D shape.
What is a net?
A representation of data that lack symmetry around their average value.
What is skewed distribution?
When a number is shown compared to 1.
What is unit rate?
The four sections of the coordinate plane.
What are quadrants?
A statement that compares two quantities using <, >, ≤,≥, or ≠.
What is an inequality?
A two-dimensional figure that is the combination of two or more simpler figures.
What is a composite figure?
A question that accounts for a variety of data.
What is a statistical question?
35%x100= 0.35
0.35x399= 139.65
399-139.65= $259.35
The least common multiple of 9 and 12.
9: 9, 18, 27, 36, 45
12: 12, 24, 36, 48
What is 36?
Determine if the expressions are equivalent.
8m+2(m+8) and m+16+9m
8m+2m+16 and m+16+9m
10m+16 and 10m+16
Yes, they are equivalent.
Find the volume and surface area of the rectangular prism.
L=5cm W=5cm H=4.6cm
Volume: 5x5x4.5 =115cm^3
Surface Area:=142cm^2
5x5 x2 =50
5x4.6 x2 =46
5x4.6 x2 =46
Find the Median, Mode, and Range of the data set.
10, 5, 6, 17, 10, 10, 17, 21, 2, 20, 10
2, 5, 6, 10, 10, 10, 10, 17, 17, 20, 21
Median: 10 Mode: 10 Range:19