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1 Step Equations
2 step equations
Multi-Step equations
Variables on both sides
Real world equations
100
Solve. What does x equal? x + 3 = 8
5
100
Solve. What does x equal? 2x + 4 =10
x = 3
100
Solve. What does x equal? x+4+2=8
x=2
100
Solve. What does y equal? 4y + 2 = 5y
y=2
100
What do you use to represent an unknown?
A variable.
200
Solve. What does y equal? 6 - y = 2
y=4
200
Solve. What does y equal? 3y - 5 =25
y=10
200
Solve. What does x equal? 3x - 6 + 2x = 19
x=5
200
Solve. What does x equal? 7x + 3 = 2x - 2
x=-1
200
You have $14 bucks saved for your mom's Christmas gift. The shirt you wants to get her is $30. How much more money do you need to buy her the shirt. x + 14 = 30
x = 16 You need $16 more dollars.
300
Solve. What does x equal? 3x = 24
x=8
300
Solve. What does p equal? -6p + 2 = -28
p=5
300
Solve. What does y equal? 3 - 2y +2 +3y = 14
y=9
300
Solve. What does p equal? 2p + p - 6 = 9p
p=-1
300
Write an equation for the following. Sam got $50 for Christmas. He spent some of his cash on a video game. Same then had $8 left. How much did he spend on the video game?
50 - x = 8
400
Solve. What does c equal? c/2 = 6
c=12
400
Solve. What does x equal? x/4 + 7 = 10
x=12
400
Solve. What does b equal? 2(3b - 4) = 16
b=4
400
Solve. What does x equal? -4x + 3x + 3 + 6 = 2x
x=9
400
Write and solve an equation for the following. (Read both for points) Dan saved $39 for Christmas presents. He decided to split the money evenly on gifts for his 3 sisters. How much did he spend on each sister's Christmas present?
3x = 39 x = 13 He spent 13 bucks on each sister.
500
What step numbers from your graph organizer are you completing when you solve a one step equation.
Steps 4 or 5
500
What operations do you undo first when solving two step equations?
Addition/Subtraction
500
Solve. What does x equal? - ( 7x + 1) + 3 = 9
x=-1
500
Solve. What does c equal? 9( c - 1) = 36
c= 5
500
Write and solve an equation for the following. Read both to receive the points. Jenny scored 89 points on her first math test and 78 on her second math test. She the took a third test. She earned a total of 255. How many points did she get on her third test?
89 + 78 + x = 255 167 + x = 255 x = 88