ABE Math

Distributive

100

3(x+2)=12

3X+6=12

3x+6(-6)=12(-6)

3x=6

x=2

200

10(2x-3)=50

20X-30=50

20X-30(+30)=50+30

20x=80

x=4

300

4(3x+5)=44

12x+20=44

12x+20(-20)=44-20

12=24

x=2

400

30(x+3)=120

30x+90=120

30x+90(-90)=120-90

30x=30

x1

500

520(x+2)=2080

520x+1040=2080

520x+1040(-1040)=2080-1040

520x=1040

x=2

geometry

100

area of a square with a length of 4

16

200

Perimeter of a rectangle with a length of 10 and height of 4

p=2l+2h

p=2(10)+2(4)

P=20+8

p=28

300

area of rectangle with length of 6 and height of 50

30

400

What is the circumference of a circle with a diameter of 2?

3.14

500

What is the area of a circle with a diameter of 2?

6.28

Lines/Angles

100

What is an obtuse angle?

Angle greater than 90 degrees

200

What angle is complementary to 35 degrees?

65 degrees

300

What do you call 2 lines that intersect at a right angle?

Perpendicular

400

What do you call 2 lines that never intersect?

Parallel lines

500

What has an end point and goes on forever?

A ray

fractions

100

What is 1/2 +1/4?

3/4

200

What is 1/4 X 1/4?

1/16

300

What is 5 1/2 - 3 3/4?

1 3/4

400

What is 2/5 X 1/2?

1/5

500

What is 5 3/4 + 4+1/4?

10

percent

100

write 10% as a fraction

.10

200

What is .06 as a percent?

6%

300

Write .99 as a percen?

99%

400

write 1.50 as a percent?

150 %

500

write 1/3 as a percent

33%