Math Review period 1&4

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

switcharoo

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)

-14

Multiplying/Dividing Integers

100

- 2 x 4

-8

Switcharoo

200

15/3

5

double

300

- 2 x - 7

14

400

30/ -5 

-6

500

-8(10/2)

-40

switcharoo

Stuff

100

A right triangle has an angle that measures 43 degrees. Find the missing complementary angle

47 degrees

200

A submarine is going to dive 770 feet below the surface. Then the sub is going to rise 492 feet. How far below the surface is the sub?

278 below surface

300

How can you rewrite the following in exponential form?

7 x 7 x 7 x 7 x 7 

7⁵

400

What is the value of:

8⁴

4096

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

500

What is the value of:

2³ + 3² - 4²

3

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

Order of Operations

100

Simplify the following expression:

62

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

200

Simplify the following expression:

5

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

300

3 + 4² x (3 + 2)

83

400

45

double

500

12

Substitution

100

Evaluate for when x = 8

4x - 2 

30

200

Evaluate for when m = 2 

18/m + m

11

Double

300

Evaluate for p=-5

p + 7 x 3 

6

400

Evaluate for a = 3 and b = 4 

a - 3b + 2

- 7 

500

Evaluate for x = 3 

x² - 4x 

-3