1. Warm-Up (7 Minutes) Copy Questions Then Answer Them
Show all work
If Dorian can travel ½ mile per
hour, how many inches can he travel
in 3 hours?
2. Convert 600 dollars
per year to nickels per day.

2. Identifying Parts of Expressions
Definitions
Identifying Parts of Expressions

3. Algebraic Expression
Can have variables, numbers, addition, subtraction, multiplication, division, parenthesis, square roots, exponents…
Examples:

4. Variable
Symbols or letters used to represent an unknown
Examples: 

5. Term
How many items are being added, subtracted, divided
Examples:
3 terms
4 terms

6. Like Terms
Same variable raised to the same power
Examples:

7. Coefficient 123 9 1 The number multiplying to a variable (in front)
Examples:
123 9 1

8. Exponent 3 1 4 The number in the superscript of a base
The number of times you multiply something to itself
Examples: 3 1 4

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

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

11. Factors 1 and 6…. Or 2 and 3 9 and x and y (x + 2) and (y – 3)
Items that are being multiplied together
Can be numbers, variables, parenthesis
Examples:
1 and 6…. Or 2 and 3
9 and x and y
(x + 2) and (y – 3)
3 and (z – 9)

12. Sum The answer to an addition problem Examples 3 + 5 7(4) + 1
6 – 3 + 9

13. Difference The answer to a subtraction problem Examples 10 - 4
8 – 3(2)

14. Product The answer to a multiplication problem Examples 8(4) 6÷3(4)
7(4+2)

15. Quotient
The answer to a division problem
Examples
9÷3
7(4)÷2
(8+2)÷5

16. Example 1: Given the following expression, determine the number of terms, the constants and the coefficients.
3x2 + 4x – 3

17. Quick Check!
You try!

18. Example 2: Simplify the expression and then identify the number of terms, the constants and the coefficients 
2(x + 3) – 4(x + 2)

19. Quick Check!
You try!

20. Example 3: Identify the factors of the expression.
3(x+3)x2

21. TRANSLATING EXPRESSIONS

22. Fill in the words!

23. Example 1: Translate the words into an algebraic expression
The sum of 2 times a number and 4.

24. Quick Check!
1. The sum of a number and The product of 8 and x squared less than g to the fourth power.

25. Example 2: Create an algebraic expression for the situation.
John is three times as heavy as Amy.

26. Guided Practice (10 min.)

27. Independent Practice Activity (25 minutes)
In partners, match the expression to the words/description!

28. Exit Ticket Sarah is 6 less than triple the age of her brother.
Write an equation for the situation.
2. Identify the number of terms, the coefficient and the constant.
2(x+2) – 4.
3. X2(x-2)(x +3) has how many factors?

29. Homework
Online & Quiz next class!