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Vocabulary
Solve for x (easy)
Solve for x (medium)
Solve for x (hard)
Word problems
100

What is the name of the letters that represent unknown quantities?

A variable

100

x + 2 = 3

x = 1

100

2x + 1 = 7

x = 3

100

2x + 5 = -3x 

x = -1

100
There are 20 sports balls on the field. 2 + x are baseballs, x - 3 are tennis balls, and x are basketballs. How many of each ball are there?

There are 7 basketballs, 9 baseballs, and 4 tennis balls.

200

What is the name of a fixed quantity that does not change?

A constant

200

5 - x = 1

x = 4

200

16 - 3x = 4

x = 4

200

3x = 5x + 24

x = -12

200

Jill has 10 candies in her pocket. x - 2 of them are green and x of them are red. How many of each colour does she have?

6 are red and 4 are green

300

What is the number called that's placed directly in front of a variable?

A coefficient

300

2x = 6

x = 3

300

x/4 + 5 = 11

x = 24

300

4x + 1 = 4 + x

x = 1

300

Taylor is five times as old as Spenser. The sum of their ages is eighteen. How old are Taylor and Spencer?

Spenser is 3 years old and Taylor is 15 years old

400

2a, 47a, 1/2 a.. are all examples of ____ terms.

Like

400

x/3 = 3

x = 9

400

22 - 3x = 7

x = 5

400

22 + 5x = 6 - 3x 

x = -2

400

A father is three times as old as her daughter. Six years ago, the father’s age was six tines that of her daughter. How old are they now?

the daughter’s is 10 years old and the father is 30 years old

500

_____ is made up of two or more terms.

An expression

500

4 + x = 3 - 7

x = -8

500

24/x - 5 = 7

x = 2

500

3x + 4x + 2 = 9x - 12

x = 7

500

A coin collection amounting to $25 consists of nickels and dimes. There are 3 times as many nickels and dimes. There are 3 times as many nickels as dimes. How many coins of each kind are there?

100 dimes and 300 nickels