Buncha Math

One-Step equations

100

a + 3 = 8

5

200

a - 10 = 13

a = 23

300

a + 66= 21

-45

400

a - 15 = 15

a = 30

500

a + (-12) = 86

86

Two-Steppahz

100

3x - 5 = 16

x = 7

200

20 = 6y - 4

y = 4

300

12z + 4 = 28

z = 2

400

(h/9) + 11 = 20

h = 1

500

Three Steppah!!! Big one incoming:

(2q/3) -5 = 5

q = 15

Wordz n' Stuff

100

Give me an example of a variable

any letter

200

Give an example of a constant

Any Number

300

What is the inverse operation of addition? 

Subtraction

400

What is the inverse operation of multiplication?

Division /

500

Give an example of a variable with a coefficient.

2x 

One-Step but Bigger

100

5a = 25

5

200

25n = 625

25

300

18g = 486

27

400

12y = -144

-12

500

-8x = 56

-7 

Multi

100

12s - 4s + 2 = 10

s = 1

200

-20c - 2c - 6 = 16

c = -1

300

(q + 12) / (-2) = 3

q = -18

400

4 = 4 (g + 11)

g = -10

500

Ms. Curtis is making a photo album for the 9th grade class at ECHHS. There are 7 pages in the photo album. Ms. Curtis puts the same number of photos on each page, for a total of 42 photos. 

What equation would you use to find the number of photos (p) on each page? 

BONUS: how many photos are on each page?

7p = 42

6 photos