Variables, Expressions, Equations

What does the variable represent?

• An Equal Sign

• An Unknown Number

• The Addition Sign

• What the problem equals

Which represents the variable in the problem?

45 + r

• 45

• +

• r

What is the definition of an expression?

• Is a number set that has no equal sign

• Is a number problem that an equal sign

• Is a word problem that has variables and numbers in it

• Is a word problem that only has numbers

Write the following as an expression

t added to 82

• 24 + t

• t + 82

• t + 82 = 93

Write this as and expression

Mr. Hedrick has 3 more watermelon then Skippy.

• 3 + S

• 3 - S

• 3 + S = 10

• 3S

What is an equation?

• A number set that does not have an equal sign

• A number set that you add

• A math problem that you add pickles to

• A number problem that has an equal sign

Solve the following equation

3/a = 4

• x = 36

• x = 3

• x = 12

• x = 4

Solve the following equation

L - 26 = 18

• L = 44

• L = 8

• L = 46

• L = 43

Solve the following equation

6d = 42

• d = 6

• d = 8

• d = 7

• IDK

Solve the following equation

x + 40 = 120

• x = 80

• x = 60

• x = 110

• x = yes