Lesson Review: 1.1-2.1

Add Integers Same Sign

100

Calculate:

-6 + (-8) 

Answer:

-6 + (-8) = -14

200

Calculate:

-26 + (-13)

Answer: 

-26 +(-13) = -39

300

Calculate:

427 + 123 + 100

Answer:

427 + 123 + 100 = 650

400

Calculate:

-3 + (-15) + (-18)

Answer:

-3 + (-15) + (-18) = -36

500

Calculate:

-50 + (-175) + (-345)

Answer:

-50 + (-175) + (-345) = -570

Add Integers Differ. Sign

100

Calculate:

5 + (-21)

Answer:

5 + (-21) = -16

200

Calculate:

32 + (-32)

Answer:

32 + (-32) = 0

300

Calculate:

0 + (-15)

Answer:

0 + (-15) = -15

400

Calculate:

-15 + 4

Answer:

-15 + 4 = -11

500

Calculate:

17 + (-17) + 300

Answer:

17 + (-17) + 300 = 300

Subtracting Integers

100

Calculate:

1 - (-18)

Answer:

1 - (-18) = 19

200

Calculate:

19 - (-19)

Answer:

19 - (-19) = 38

300

Calculate:

-3 - (-45)

Answer:

-3 - (-45) = 42

400

Calculate:

10 - 7 - 3

Answer:

10 - 7 - 3 = 0

500

Calculate:

- 4 - 11 - 5

Answer:

- 4 - 11 - 5 = - 20

Add / Subtract Integers

100

Calculate:

5 - (- 3)

Answer:

5 - (- 3) = 8

200

Calculate:

33 - 3

Answer:

33 - 3 = 30

300

Calculate: 

- 12 + 17 

Answer:

 - 12 + 17 = 5

400

Calculate: 

9 - 4 - 17

Answer: 

9 - 4 - 17 = - 12

500

Calculate:

6 + 13 + 7 - 5

Answer:

6 + 13 + 7 - 5 = 21

Multiplying Integers

100

Calculate:

- 3 (8)

Answer:

- 3 (8) = - 24

200

Calculate:

(-6) (-6) 

Answer:

(-6)(-6) = 36

300

Calculate:

(8)(-12)

Answer:

(8)(-12) = -96

400

Calculate:

(-2)(60)

Answer:

(-2)(60) = -120

500

Calculate:

(-18)(0)

Answer:

(-18)(0) = 0