Solving Linear Equations
Substitution
Find the rule
Random Trivia
Patterns
100
a + 5 = 15
a=10
100
If a=4, evaluate: 3a
3 x 4 = 12
100
Create a linear equation that fits 
y=x+2
100
What is the fastest land animal in the world?
Cheetah
100
The sequence is: 4, 7, 10, 13, …
What is the rule?
add 3
200
9b = 180
b=20
200
If b=7, evaluate: 2b+5
2 x 7 + 5 = 19
200
Create an equation that fits 
y=2x
200
Which continent is the Sahara Desert located on?
Africa
200
The sequence is: 12, 19, 26, 33, …
What is the 15th term?
110
300
2c - 15 = 87
2c - 15 = 87
+15 +15
2c =102
/2 /2
c =51
300
If x=6, evaluate: 4x−3x+2
4 x 6 - 3 x 6 + 2
24 - 18 + 2
6 + 2
8
300
Create an equation that fits
y=3x+12
300
What gas do plants absorb from the air during photosynthesis?
Carbon dioxide
300
A pattern of squares is built in a row:
1 square → 4 matchsticks 2 squares → 7 matchsticks 3 squares → 10 matchsticks
Write a formula for the number of matchsticks for n squares
y=3x+1
400
6t + 34 = 76
6t + 34 = 76
-34 -34
6t = 42
/6 /6
t = 7
400
If m=8, evaluate: 5m2−2m
5 x 82 - 2 x 8
5 x 64 - 2 x 8
320 - 16
304
400
Create an equation that fits
y=4x-12
400
Order the following events?
The invention of the telephone
The sinking of the Titanic
The first human in space
Australian Federation
Telephone (1876) → Federation (1901) → Titanic (1912) → First human in space (1961)
400
Create a rule
&
find the 20th term
y=2x+1
x=20
y=41
500
3x + 5 = 2x + 17
3x + 5 = 2x + 17
-2x -2x
x + 5 = 17
-5 -5
x = 12
500
If p=3, evaluate: (2p2 + 5p − p)/p
(2 x 32 + 5 x 3 − 3)/3
(2 x 9 + 5 x 3 - 3)/3
(18 + 15 - 3)/3
(33 - 3)/3
30/3
500
Create an equation that fits
y=(-10x)+106
500
Which country has the largest population in the Southern Hemisphere?
Brazil
500
Find the 18th term of this eqaution;
y= 3/4 ( 2x − 5 ) − 7 + x/ 3
y=22.25