Lesson 1: Addition & Subtraction; Lines & Segments
Lesson 2: Angles, Polygons, Triangles, Quadrilaterals
Lesson 3: Perimeter & Circumference
Lesson 4: Review of Arithmetic
Lesson 5: Sets, Absolute Value, Addition of Signed Numbers
100
It is a portion of a line, designated by two endpoints.
What is a line segment?
100
Two lines which make square corners (right angles) at the point of intersection.
What are perpendicular lines?
100
The measure of the distance around a circle.
What is circumference?
100
The numbers we use to count objects.
What are natural or counting numbers?
100
The distance from zero, regardless if it is positive or negative.
What is absolute value?
200
It is the sum of a whole number and a fraction.
What is a mixed number?
200
A parallelogram with four right angles.
What is a rectangle?
200
The distance across the length of a circle.
What is the diameter?
200
Any number that can be used to describe a physical distance great than zero.
What is a positive real number?
200
Simplify: -|-10+6|
-4
300
ADD: 1/2 + 3/4 - 7/16
8/16 + 12/16 - 7/16 = 13/16
300
It is a triangle which has 3 sides all of different lengths.
What is a scalene triangle?
300
2 times pi times the radius or pi times the diameter.
What is the equation to find the circumference of a circle?
300
Divide 3 2/9 by 1 5/6 (an improper fraction is not an acceptable answer, nor is a fraction that is not simplified).
29/9 * 6/11 = 174/99 = 1 75/99 = 1 25/33
300
A set of numbers which includes negative numbers.
What are integers?
400
15 1/3 - 7 4/5 =
14 20/15 - 7 12/15 = 7 8/15
400
A heptagon.
What is a polygon with 7 sides?
400
Find the circumference of a circle which has a radius of 15 meters.
2πr = 30π = 94.2 METERS
400
The minuend and the subtrahend.
What are the numbers involved in subtraction called?
400
A = {0, 1, 2, 3, 4, 5....}
What is an example of a set of whole numbers?
500
It is a straight line which has no width and no ends.
Mathematical Line
500
It comes from the Greek word 'poly,' which means more than one, and the Greek word 'gonon,' which means angle.
What is the origin of the word polygon?
500
The number of diameters it takes to go all the way around a circle.
What is pi? Also acceptable is 3.14.
500
Hindus of India
Who is the inventor of the decimal system, the system of numeration we use to designate numbers?
500
"The order in which two real numbers are added does not affect the sum."
What is the Commutative Property for Addition?
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