Math Review

Equations

100

3+7a=24

a=3

200

-8+2x=12

x=10

300

7+6y=25

y=3

400

4q-8=16

q=6

500

7(5+2a)

35+14a

Integers

100

-5+4

-1

200

-8-9

-17

300

2+(-4)

-2

400

8+4

12

500

9-(-4)

13

Angles

100

Which angle is more than 90 degrees? 

Obtuse 

200

Which angle is less than 90 degrees?

acute 

300

Are vertical angles the same angles, just flipped over?

yes 

400

Are supplementary angles 90 degrees?

No

500

True or False: Supplementary angles are 180 degrees.

True 

Triangles

100

Which Triangle has all acute angles?

Acute Triangle 

200

Which triangle has all congruent sides?

Equilateral 

300

Can this make a triangle?

3,8,4

No

400

Can this make a triangle?

60,30,90 degrees 

Yes 

500

Can this make a triangle? 

4,6,9

10

Percentages

100

20% of 50

10

200

30% 180

54

300

25% of 60

15

400

75% of 20

15

500

38% of 18

6.84