Friday Fun

Pre-algebra

100

4(x + 2) 

4x + 8

200

(n + 8) + (n- 12) 

2n - 4 

300

8 + 4a + 6.2 - 9a

14.2 - 5a

400

Factor 24x + 46

2(12x + 23) 

500

3(5 - 2n) + 9n

15 + 3n 

Integers

100

What are integers?

Any whole number; not a fraction or decimal. Negative numbers, positive numbers, and zero are all integers.

200

(-6) + (-11) 

-17

300

(-9)(2) 

-18

400

6(-9)(-1) 

54

500

You lose four points each time you attend gym class without sneakers. You forget your sneakers three times. What integer represents your change in points? 

-12

Equations

100

a-6=13

a=19

200

3h=15

h=5

300

2v+7=3

v=-2

400

17= 5k-2

k= 3

500

-5g + 2.3= -18.8

g=4.22

Slope

100

What is the slope of y=3x + 4 ? 

slope= 3

200

What is the y-intercept of y= 2x - 5 

y-intercept= -5

300

Find the slope (3, 3) (2, 1) 

Slope= 2 

400

Find the slope of (3,2) (6,3) 

1/3

500

Find the slope of (4, 1.2) (10, 6) 

slope= 4/5 

Surprise

100

Find the unit rate: 84 miles in 12 days 

7 miles per day 

200

Are the following proportional? 1/9=6/54

yes 

300

Solve the proportion. x/8=9/4

x=18

400

3y - 8y=25

y= -5

500

Factor 2.2x + 4.4

2.2(x + 2)