Math Week 1 Review

Combine Integers

100

-4 + -5

 -9

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

200

14 + -12

2

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

300

-10 - 15

-25

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

400

-2 + -3 + 5

0

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

500

- 4 - (-10) + 12

18

Multiplying/Dividing Integers

100

- 2 x 4

-8

200

15/3

5

300

- 2 * - 7

14

400

30/ -5 

-6

500

-8(10/2)

-40

Miscelanous

100

3 1/3 - 2 3/4

7/12

200

Solve. 4 1/2 + 2/3

5 1/6

300

Janet cooked 3 kilos of pasta with 20 grams of butter, How much butter do you need to cook 5 kilos?

33.3 grams

400

-11 -8 - 4 + 10

-13

500

If I bought 2 kilos of orange for 12 pesos, how much will I pay for 3.5 kilos?

21

Fractions or Order of Operations

100

Simplify the following expression:

-12 + 6 - (-4)

-2

200

Simplify the following expression:

5

300

3 + 4² * (3 + 2)

83

400

1 1/4 - 2/3

7/12

500

-2 x -3 + 4 - 8

2

Substitution

100

Evaluate for when x = 8

4x - 2 

30

200

Evaluate for when m = 2 

18/m + m

11

300

Evaluate for p=-5

p + 7 * 3 

16

400

Evaluate for a = 3 and b = 4 

a - 3b + 2

- 7 

500

Evaluate for x = 3 

x² - 4x 

-3