Addition Problems
Subtraction Problems
Multiplication Problems
Dividision Problems
Key Concepts
100
x +3 = 2
x = -1
100
x - 5 = 5
x = 10
100
2x=6
x=3
100
x/2=4
x=8
100
How do you solve addition problems?
Subtraction
200
x + 4 = -3
x = -7
200
x - 6 = 5
x = 1
200
3x=-9
x =-3
200
x/3=-1
x=-3
200
How do you solve subtraction problems?
Addition
300
x + 5 = 5
x = 0
300
x - 7 = 4
x = 11
300
-x=-2
x=2
300
x/-1=4
x=-4
300
How do you solve multiplication problems?
Division (Seperation)
400
x + 3 = 4
x = 1
400
x - 2 = -3
x = -1
400
-2x=4
x=-2
400
x/-2=5
x=-10
400
How do you solve a division problem?
Multiplication
500
x + -2 = 4
x = 6
500
x - 1 = -1
x = 0
500
-3x=-9
x=3
500
x/-3=-4
x=12
500
How do you check your work? (Name of the property)
Substitution
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