Angles, Equations, and Riddles

Algebra: simplify expression

100

−4 + 7(1 − 3m)

3 - 21m

200

10 − 5(9n − 9)

55 - 45n

300

- (5a – 7b + 9)

-5a + 7b - 9

400

7x – (4x + 6)

3x - 6

500

−7(n + 3) − 8(1 + 8n)

-71n - 29

Angles

100

Measure of sum of complementary angles

90 Degrees

200

Measure of sum of supplementary angles

180 Degrees

300

In angles formed with parallel lines and a transversal how many measures of angles are there?

Two

400

Vertical angles are always __________

congruent (the same)

500

How do we set up an equation to solve this?

x+16=4x -5

Find the Missing Angle

100

Write the equation to find x.

x+37=90

200

Write the equation (don't solve).

28^o + x^o + 73^o = 180^o

300

Show the equation to find y

5y - 4 + 3y= 180

400

What is the measure of angle a?

a= 66°

500

What is the measurement of angles each angle

x=14

9x +12=138^o

3x=42^o

y=37

equations

100

Solve for x.

3x+7=13

x=2

200

solve for x

x=8

300

solve for x

3x + 5 = -16

x= -7

400

solve for x

−8−2m=12

x=-10

500

Solve for x

5 + 14x = 9x - 5

x=-2

Warmups

100

How many months of the year have 28 days?

12

200

A man was outside taking a walk when it started to rain. The man didn’t have an umbrella, and he wasn’t wearing a hat. His clothes got soaked, yet not a single hair on his head got wet. How could this happen?

He was bald!

300

David’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

David

400

You’re running a race and at the very end, you pass the person in 2nd place. What place did you finish the race in?

You finished in 2nd place.

500

Find the value of each angle

x= 30

y= 15

z= 150