Solving Equations I
Solving Equations II
Word Problems
Distributive Property
Miscellaneous
100
Solve: 2x - 1 = 7
4
100
Solve: t/5 = 6
30
100
Three less than six times a number is 21. What is the number?
n = 4 (6n - 3 = 21)
100
Which expression is equivalent to 9 (6 - t)? A) 54 - 9t, B) 96 - 9t, or C) 54 - t
A
100

A letter used to represent an unknown number

What is a variable?

200
Solve: 11 = 4a - 1
3
200
Solve: a/7 = 8
56
200
Subtract a number divided by nine from three and the difference is zero. What is the number?
n = 27 (3 - n/9 = 0)
200
Solve: 3 (x + 5) = 36
x = 7
200

The opposite of addition

What is subtraction?

300
Solve: 5 + 2m = 9
2
300
Solve: d/(-4) = 5
-20
300
Add 4 to a number divided by -2, and the sum is -3. What is the number?
n = 14 { n/(-2) + 4 = -3 }
300
Solve: 7(-y + 2) = 28
y = -2
300

The four basic operations

What are addition, subtraction, multiplication, and division?

400
Solve: 1 = 10 - 3x
3
400
Solve: n/4 + 3 = 10
28
400
A number divided by -5 is 7, What is the number?
n = -35 { x/(-5) = 7 }
400
Solve: -6 (c - 9) = -42
c = 16
400

A number right in front of a variable

What is a coefficient?

500
Solve: 13 - 2x = 5
4
500
Solve: t/6 + 12 = 18
-36
500
One third of Grade 8 students went to a concert. 4 teachers went too. There were 41 people on the bus including the driver. How many Grade 8 students were there?
108 students (x/3 + 5 = 41)
500
The perimeter of a rectangle is 26 cm, and the length is 8 cm. What is the width of the rectangle?
Width = 5 cm { 26 = 2 (8 + w) }
500

When is my Birthday?

September 25th!

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