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Vocabulary
Addition Equations
Subtraction Equations
Multiplication Equations
Division Equations
100

A letter or symbol that represents a quantity that can change

What is a variable

100
x + 62 = 93
What is 31
100
p - 9 = 8
What is 17
100
8 = 4w
What is 2
100
y/5 = 4
What is 20
200
contains one or more variables and may contain operation symbols
What is an algebraic expression
200

25 = 6 + d

What is 19

200
z - 42 = 7
What is 49
200
15y = 120
What is 8
200
12 = z/4
What is 48
300

These are used to "undo" or solve an equation

What are inverse operations

300

23.8 + q = 62.4

What is 38.6

300
3 = x - 16
What is 19
300

5/6 r = 30

What is 36

300

d/3 = 12.5

What is 37.5

400
mathematical statement that two quantities are equal
What is an equation
400
Alyssa has a temperature that is 3 degrees higher than normal. If Alyssa's temperature is 101 degress, what is a normal temperature?
What is 98 degrees
400

What is the solution of x - 2/3 = 9/10

 What is 1  17/30 

400
Millepedes have 4 legs per segment. The recored number of legs on a millipede is 752. How many segments did this millepede have?
What is 188
400
Irene mowed the lawn and planted flowers. The amount of time she spent mowing the lawn was one-third the amount of time it took her to plant flowers. It took her 30 minutes to mow the lawn. Find the amount of time Irene spent planting flowers.
What is 90 minutes
500
value for a variable that makes and equation true
What is a solution
500
James has 14 marbles in a bag. He is giving away a few marbles to a friend. He now has 8 marbles in the bag. Write and solve an addition equation to find how many marbles James gave away.
What is m + 8 = 14 m = 6
500
Write "the difference between n and 16 is 5" as an algebraic equation. Then find the solution.
What is n - 16 = 5 n = 21
500
Sally has 5 times as many cds as Mark. Sally has 50 cds. Write and solve an equation to find how many cds Mark has.
What is 5c = 50 c = 10
500
The Empire State Building is 381 m tall. At the Grand Canyon's widest point, 75 Empire State Buildings woiuld fit end to end. Write and solve and equation to find the width of the Grand Canyon at this point.
What is w/381 = 76 w = 28,956m or w/76 = 381