Math Review

Rewritingequations

100

12 = 6x +3y

y = 4 - 2x

200

4x - 4y = 1

y = x - 1/4

300

2y + 5x = 6

Rewrite the equation to solve for y

y = 3 - 5/2x

400

x = 1/2(20 + y)

Rewrite the equation to solve for y

y =2x - 20

500

P = 2(w + 5)

Rewrite the equation to solve for w

w = P/2 - 5

Rewriting an equation

100

2x/3 - 2 + x/3 = -4

x = -10

200

0.6(1 - x) + 0.2(x - 5) = 10

x = -26

300

3x/5 + x - 1/3 = 2/15

x = 1/2

400

5 - 3(x - 7) = 2(2 - x) - 8 = 0.7

x = 3.1

500

2(x - 1) - 6 = 10(1 - x) + 6

x = 2

Solving equations

100

[5³ + 8] • 5 - 3 + 8

670

200

[5 • 4³ - 5] - 4 • 3

303

300

(-9) - [(-15) ÷ (-5)]² • (-4) + (-4)

23

400

Write an equation and solve: The amusement park charges $80 for an adult and $50 for a child. A group of six adults took some children, and their cost for the day at the park was $1680. How many children went along?

480+50x=1680

24

500

[(-72) ÷ (-2)]² - (-7) • (-11) + (-11)

1208

Fractional Coefficients

100

In what country did the first Starbucks open outside of North America?

Japan

200

What is the tiny piece at the end of a shoelace called?

An aglet

300

Who was the first woman to win a Nobel Prize?

Marie Curie (1903)

400

What famous drink was introduced as "Brad's Drink" in New Bern, North Carolina in 1893 at a drugstore? The product was renamed five years later after the Greek "p" word for "digestion."

Answer: Pepsi Cola

500

Which river forms part of the border between the United States and Mexico?

Rio Grande

Math & Random

100

Name a type of dinosaur. What were four of the top 7 answers?

Tyrannosaurus 31. Triceratops 15.  Velociraptor 12

Pterodactyl 11. Stegosaurus 10. Brontosaurus 5

Allosaurus 3

200

What is a name for "garbage"? 5 possible answers

Trash 42

Junk 22

Waste 12

Rubbish 5

Litter 2

300

What is a day you would get up early?

Christmas 33

Saturday 27

First day of school 16

Sunday 10

School day 3

Birthday 2

400

1. Who painted the famous artwork “Mona Lisa”? 
2. Who was the first person to step on the moon? 
3. Who is known as the inventor of the light bulb? 

(Answer: Leonardo da Vinci)

(Answer: Neil Armstrong)

(Answer: Thomas Edison)

500

4x - (10 - x) = 15/2

x = 3.5