Numbers and Algebra Math Review!

Fractions, Decimals, Percents

100

What is half of 200?

100

200

What is one quarter (1/4) of 100?

25

300

What is 1/4 + 2/4?

3/4

400

What is the decimal equivalent to 2%?

0.02

500

3/4 times 4/5

12/20 or 6/10 or 3/5

Exponents

100

2⁴

16

200

3³

27

300

6²

36

400

1⁸

1

500

65⁰

1

Order of Operations

100

Simplify the following expression:

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

62

200

Simplify the following expression:

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

5

300

3 + 4 x (3 + 2)

23

400

13+6 ./. 2

16

500

9 + 12 ÷ 3 + 4 ÷ 2

15

Adding 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

5

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

6 + (-2 + -5)

-1

Solve

100

If b = 12, what is b + 52?

64

200

If a number plus 5 is 9, what is the number?

4

300

x + 10 = 23

x=13

400

6x=24

x=4

500

5x+7=37

x=6