1. Warm up
Five word prediction. Predict the meanings of the following words:
Variable
Expression
Base
Constant
Factor.

2. Why is it important to understand the “language” of mathematics?EQ
CCCA Unit 1
Why is it important to understand the “language” of mathematics?

3. Definitions
Identifying Parts

4. Variable
Symbols or letters used to represent an unknown quantity (amount)
Examples: 

5. Term
Can be a number or variable, OR numbers and variables multiplied together
Separated by addition or subtraction
Examples: How many terms are in these expressions? 4
-16x B
3xy 3 4

6. Exponent 3 12 4 The number up in the air next to a base
The number of times you multiply something times itself
Examples: 3 12 4

7. Base 2 x y What the exponent sits on
The part that has been raised to a power
Examples: 2 x y

8. Like Terms Terms that have the same variable raised to the same power
Examples:

9. Expressions vs. Equations
Algebraic Expression
Algebraic Equation
A mathematical idea, or phrase
Can have variables, numbers, addition, subtraction, multiplication, division, parenthesis, square roots, exponents…
Examples:
A mathematical sentence
An equation shows that two things are EQUAL (=)
Equation

10. Coefficient
The number in front of a variable
Examples:
123 -9 1

11. Constant -42 5 -8 A number that has no variable
It can be positive or negative
Examples:
-42 5 -8

12. Factors 1 and 6…. Or 2 and 3 3, 3, x, and y (x + 2) and (y – 3)
Numbers and/ or variables that are being multiplied together to get a product
Examples:
1 and 6…. Or 2 and 3
3, 3, x, and y
(x + 2) and (y – 3)
3 and (z – 9)

13. Order of Operations -18 Simplify inside parenthesis
Take care of exponents
In order from left to right, multiplication or division
In order from left to right, addition or subtraction
Examples:
-18

14. Translations

15. Match the words with the operation
Half
Increased
Plus
Cubed
Triple
Minus
More Than
Quotient
Difference
Product
To the power of
Divide by
Sum
Double
Decreased
Add
Twice
Times
Less Than (swaps the order)
Together
Raised to a power
Square
Take away

16. Addition:
Subtraction:
Division:
Multiplication:
Exponents:

17. ADDITION
Sum
Plus
Add
More Than
Increased
Together

18. SUBTRACTION Difference Minus Decreased Less Than (swaps the order)
Take away

19. DIVISION
Quotient
Half
Divide by

20. MULTIPLICATION
Product
Twice
Double
Triple
Times

21. EXPONENTS
Square
Cubed
To the power of
Raised to a power

22. Translate
The sum of a number and 10
x + 10

23. Translate
The product of 9 and x squared
9x2

24. Translate
9 less than g to the fourth power
g4 – 9

25. Translate
8 + 3x
Eight increased by three times x

26. Writing an Expression Worksheet
HOMEWORK
WORKSHEET
Writing an Expression Worksheet