Algebra Skills 8th

Square Roots

100

Square root of 81

9

200

Square root of 144

12

300

Square root of 25 plus square root of 49

12

400

Estimate the square root of 10 

3.1 or 3.2

500

True or False:  The square root of 100 is 50

False

Combining Like Terms

100

7y + 6 y - 3 y

10y

200

-5a + 8 a - 6a

- 3a

300

1/2 x + 3/4 x

5/4x OR 1 1/4x OR 1.25x

400

12m + 10m - 8m

14m

500

9r - 11 r + 4 r - 5 r

-3r

Distribution

100

5 (4m +3)

20m +15

200

- 2 (10p +7)

-20p -14

300

-6 (5e - 3)

-30e+18

400

.5(30g + 10)

15g +5

500

-10(8v + 5w -10)

-80v - 50w +100

CLT, then distribute

100

2(11m + 4) - 5

22m + 3

200

8 (4n - 2) - 4n

28n - 16

300

9 (2z +1) - 18z

9

400

-5 (-3y - 5) -20

15y + 5

500

5(3h - 2) + 5(-3h +2)

ZERO

Solving Equations

100

3(3h - 6) = 63

h = 5

200

6a + 4a = 65

a = 6.5

300

4y + 2 + 7 = 9

ZERO

400

r/4 + 4 = 10

r = 24

500

5(4m+3) + 2(6m-1) = -19

m = -1