8th Pre-Alg

Number Sense

100

rational or irrational

2pi

irrational

200

.236845....

rational or irrational

irrational

300

3/4

irrational or rational

rational

400

put in order smallest to largest

square root of 15, pi, -3.4, 0

-3.4 0. pie, square root of 15

500

If I have twice as many eggs as Charlie, and Charlie has 3 times as many as Mimi, but Mimi only has 1/2 of the amount Rick has. How many eggs do I have if Rick has 12

36 eggs

Number Sense/Comp

100

-4 + -4 + 3 + -3

-8

200

3 + -9  + 4 + 4

2

300

No calculators

1.5 x 10⁸ + 7.2 X 10⁴ =

Write in scientific notation

1.08¹³

400

No calculators

6 X 10⁸ / 3 x 10²

2 X 10⁶

500

If one Zork = 10 Zane's, and 1 Zane = 10 Zwolfs, but 1 Zwolf = 5 Zmiffers, how many Zorks in 20 Zmiffers?

10,000

Algebra

100

2n + 3n -4 + 6 =

5n + 2

200

5( n + 6 ) = 30

n= 0

300

5x -2x + 6 = 12

x=2

400

1/2 (x + 4) = 2 1/2

x= 1

500

Find the slope of

3x -2 = y

3

Algebra

100

Find the slope!

-2x + 5 = y

-2

200

Find the slope

(1,6)   (4,10)

4/3

300

3x + 5 = y

What is the y-intercept

What is 5

400

y = 3x

What is the slope

3

500

Solve

4x - 8 = 4(x-2)

all numbers

Misc...

100

Free!!

Free

200

Use Pythagorean theorem

A= 4

B = 3

What is c or the hypotenuse?

5

300

What does 

8(x+2) - 5(x-3) =

3x +31

400

15-14 /2 + 5

13

500

Solve

5x +3 = -12

x= -3