Two-Step Equations!!!

Vocabulario

100

A letter used to represent an unknown number / Una letra que se usa para representar un número desconocido.

variable / Variable

200

The opposite of addition / Lo contrario de suma

subtraction / restar

300

The four basic operations / Las cuatro operaciones básicas.

addition, subtraction, multiplication, and division / sumar, restar, multiplicar, y dividir

400

A number right in front of a variable / Un número justo delante de una variable

 coefficient/ coeficiente

500

operation undoes the action of the other / operación deshace la acción del otro

Inverse Operations / Operaciones Inversas

Multiplicacion & Sumar

100

2k + 5 = 17

What is 6 ?

200

2a + 11 = 35

What is 12 ?

300

2r + 39 = 65

What is 13 ?

400

12s + 27 = 171

What is 12 ?

500

19b + 314 = 1663

What is 71 ?

Multiplication & Restar

100

3a - 5 = 4

What is 3 ?

200

5m - 7 = 23

What is 6 ?

300

6k - 5 = 43

What is 8 ?

400

4j - 71 = 29

What is 25 ?

500

21q - 39 = 234

What is 13 ?

Division & Sumar

100

m/5 + 4 = 12

What is 40 ?

200

y/8 + 11 = 13

What is 16 ?

300

k/8 + 21 = 97

What is 608 ?

400

g/11 + 37 = 128

What is 1001 ?

500

w/317 + 596 = 1,639

What is 330,631?

Division & Restar

100

z/6 - 8 = 2

What is 60?

200

y/9 - 15 = 5

What is 180 ?

300

z/6 - 14 = 3

What is 102 ?

400

y/9 - 18 = 52

What is 630 ?

500

d/10 - 83 = 64

What is 1470 ?