Misc.
Create an equation in which n has only one variable.
Only one variable in the equation
Solve the equation.
3 x n = 9
n = 3
Solve the equation.
32 ÷ y = 4
y = 8
Solve the equation.
p + 8 = 19
p = 11
Solve the equation.
15 - j = 5
j = 10
Create an equation where n can have many possible values.
More than one variable in the equation. Either 2 different variables on one side of the equation, or n is on both sides of the equation.
Solve the equation.
4 x p - 5 = 15
p = 5
Solve the equation.
81 ÷ h = 9
h = 9
Solve the equation.
17 + b = 21
b = 4
Solve the equation.
z - 6 = 10
z = 16
What is the difference between the variable in these equations?
A m + 5 = 10
B m + m + 3 = 2 × m + 3
C 2 × m = n
A - m can only be 5
B - m can be any number
C - m can be any number, as long as it is twice the value of n
Solve the equation.
6 x g + 2 = 14
g = 2
Solve the equation.
70 ÷ v = 7
v = 10
Solve the equation.
h + 8 + h = 12
h = 2
Solve the equation.
19 - c = 16
c = 3
Explain why these two equations have the same solution. Do not calculate the solution.
4 × m + 3 = 19 and 4 × m = 16
If 4 x m = 16, then 4 × m + 3 will be 3 more than 16, and that is 19.
Solve the equation.
5 x w - 3 = 42
w = 9
Solve the equation.
24 ÷ d + 5 = 17
Solve the equation.
t + 3 + t = 9
t = 3
Solve the equation.
k - 12 = 24
k = 12
Describe a situation that this equation might represent.
3 x f = 60
I bought 3 frogs that were all the same price. I spent $60 total.
Write an equation to describe the situation.
You buy 7 identical pairs of socks and spend $21.
7 x s = 21
Write an equation to describe the situation.
You have 36 cookies that you split between some friend. Each friend gets 6 cookies.
36 ÷ f = 6
Write an equation to describe the situation.
Mrs. Martin is 17 years older than Tobi.
t + 17 = m
Write an equation to describe the situation.
Nova eats 2 cups less food than Maple does.
m - 2 = n