Show:
Midpoint Mania!
Name That Angle!
Vocabulary
Measuring Angles
Mixed Bag
100
What is the midpoint between 4 and 12 on a number line?

8

100

The name of an angle that is less than 90 degrees.

Acute angle

100

Two angles with the same measurements

Congruent Angles

100

The name of the tool used to measure an angle

protractor

100

What is the name of the point located halfway between 2 other points on a line segment?

Midpoint

200

What is the midpoint between -6 and 8 on a number line?

2

200

The name of the angle that is more than 90 degrees

Obtuse Angle

200

True or False - When naming an angle, the vertex has to be the middle letter 

True

200

If two angles are complementary, and the measure of one is 72 degrees, what is the measure of the other one?

18 degrees

200

Given M is the midpoint of AC, and AM = 3x + 2 and MC = x + 14, solve for x.

x = 6

300

What is the midpoint between -3 and -5 on a number line?

-4

300

The name of the angle that is 90 degrees

Right Angle

300

Name 3 ways you can name an angle

By it's 3 points, the middle point being the vertex

By it's vertex letter

By it's angle number

300

If angle XYZ and angle ZYA form a straight angle, and the measure of angle XYZ  = 97 degrees, what is the measure of angle ZYA?

83 degrees

300

Given M is the midpoint of AB and AM = 1/2 x + 2 and MB = x + 5, find x.

-6


400

What is the midpoint between these two points on a coordinate plane?

(0,0) and (6,2)

(3, 1)

400

The name of an angle that forms a straight line

Straight Angle

400

Formed by two noncollinear rays and have one common endpoint.

Angle

400

If the measure of angle ABC = 6x + 12 and the measure of XYZ = 9x - 3, and these angles are congruent, find the value of x.

5

400

Find the coordinates of the missing endpoint C if B is the midpoint of AC.

A (1, 7)

B (-3, 1)

(-7, -5)

500

What is the midpoint between these two points on a coordinate plane?

(7,1) and (4, -1)

(11/2, 0)

500

The name of the angle that measures 180 degrees

Straight Angle

500

If D is in the interior of angle ABC, then the measure of angle ABC is equal to the sum of the two smaller angles.  (part + part = whole)

Angle Addition Postulate

500

If angle XYZ and angle ZYA form a straight angle, and the measure of angle XYZ  = 3x + 15, and the measure of ZYA is 7x + 5, what is the value of x?

16

500

Given M is the midpoint of AC, and AM = 3x + 2 and MC = x + 14, find the value of AC.

40