Algebra: Unit 0.5

Adding

100

-5 + (-3)

-8

200

18 + (-6)

12

300

-8 + (-7) + (-4)

-19

400

-3.175 + 9.282

6.107

500

-2 4/5 + (-1 1/3)

-4 2/15

Subtracting

100

5 - (-2)

5 + 2 = 7

200

8 - 32

8 + (-32) = -24

300

-14 - 11

-14 + (-11) = -25

400

-9/10 - (-2/5)

 

-5/10 or -1/2

500

2.987 - 8.121

-5.134

Multiplying

100

4(-5)

-20

200

-9(-2)

18

300

3(-6)(-1)

18

400

-1 1/2 times 3/4

-9/8 or -1 1/8

500

-6.23 times (-2.1)

13.083

Dividing

100

-35 ÷ (-7)

5

200

-40 ÷ 5

-8

300

-1/3 divide (-2/5)

5/6

400

3 3/4 divide (-1 1/2)

-30/12 or -2 6/12 or -2 1/2

500

-8.148 divide (-4)

2.037

GEMDAS

100

-3(4 - 6) + 2

-3(-2) +2

6 + 2 

8

200

(-2 + 5 times 3) - 4^2

(-2 + 15) - 4^2

(-13) - 4^2

-13 - 16

-29

300

((-3-5^2))/((9-5))

((-3-25))/4

-28/4

-7

400

(6(1 + 1)) /(-3 + (-1)) + 4(-2)

12/-4 + 4(-2)

-3 + 4(-2)

-3 + -8

-11

500

4/5 - 6.25 + (-3 - 5)^3

4/5 - 6.25 + (-2)^3

4/5 - 6.25 + (-8)

-5.45 + (-8)

-13.45