7th/8th Grade Math Review

Simplify

100

5/10

1/2

200

-25/-100

1/4

300

-36/81

-4/9

400

84/126

2/3

500

150/250

2/3

Fractions

100

3/5 ÷ 5/4

12/25

200

5/10+8/10

1  & 3/10

300

18/25-15/25

3/25

400

10/15*25/30

5/9

500

1  & 3/5 ÷ 1 & 2/3

24/25

Find the Slope

100

y_{2 -}y₂

_{_______}

X₂ -X₁

(1,1) (2,3)

m=2

200

y_{2 -}y₂

_{_______}

X₂ -X₁

(4,3) (6,6)

m=1 & 1/2

300

(6,-2)  (-3,-3)

m=1/9

400

(-7, 9) (-3, -8)

m=4  & 1/4

500

(-4,-6) (-8,-9)

m=3

Equations

100

(5-2)+3

6

200

30÷(5+5)+20

23

300

15÷3+(20+5)*5

150

400

10²÷5-2²÷4

19

500

25*7²÷25-17

83

Mulitiplication/Division

100

7*9

63

200

72÷9

6

300

256*68

17,408

400

426÷6

71

500

598*645

385,710