A1 Unit 1 Review

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

-10 - 15

-25

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

300

- 4 - (-10)

-14

400

- 2 * - 7

14

500

-8(10/2)

-40

Fractions

100

(1/3)+(5/6)

7/6

200

(7/6)-(3/4)

5/12

300

(5/7)(3/4)

15/28 

400

(8/3) divided by (4/5)

10/3

500

(-9/21) divided by (3/7)

-1

Exponents + Properties

100

How can you rewrite the following in exponential form?

7 x 7 x 7 x 7 x 7 

7⁵

200

Rewrite in exponential form:

(x+2)(x+2)y*y*y*y

(x+2)²y⁴

300

Rewrite with all positive exponents:

7²10⁰6^-5

7²/6⁵

400

Which property does this represent:

8+0=8

Identity property

500

Which property does this represent?

5(x+1) = 5x+5

Distributive

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 * (3 + 2)

83

400

45

500

12

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 

6

400

Evaluate for a = 3 and b = 4 

a - 3b + 2

- 7 

500

Evaluate for x = 3 

x² - 4x 

-3