1. Homework Corrections
None!

2. Calendar
Monday
Tuesday
Wednesday
Thursday
Friday
9.01
9.02
9.03
PTC 4-7
Parent Teacher Conference
No School
9.04
9.05
9.06a
9.06b
9.07
9.08a
9.08b
9.09a
9.09b
9.010

3. Homework Lesson 9.01 Worksheet all Class Rules!!!
No getting up without asking
2. No talking until activities
3. Take Notes!
DO ALL EXAMPLES
Raise your hand

4. Writing Expressions
Lesson 9.01

5. Objectives I can determine if an expression is variable or numerical
I can write a numerical or variable expression from a sentence
I can write a real world variable expression

6. New Vocabulary Variable A letter that stands for a number Examples:
m number of miles
t total cost
s number of seconds
x most common variable
Non-Examples: 4 4t

7. New Vocabulary Expression
A mathematical phrase that uses numbers, variables, and operation symbols.
Examples:
5+5
t+5 5c
5c-3
5c+11÷x
Non-Example
2+3=5
x-2<10

8. Expressions

9. New Vocabulary Variable expression
A mathematical phrase that uses variables, numerals , and operation symbols.
Examples:
c+3
3x-4
t÷8
Non-Example
5+5

10. New Vocabulary Numerical expression
A mathematical phrase that uses numerals, and operation symbols.
Examples:
3+3
3*2-4
16÷8
Non-Example
5x+5

11. Expressions
Variable
Numerical

12. Identify each Expression as Numerical, or Variable

13. But be careful!!!

14. But be careful!!! 𝑥
variable 5
numerical

15. Review I can determine if an expression is variable or numerical
I can write a numerical or variable expression from a sentence
I can write a real world variable expression

16. Writing Variable Expressions
Objective/Goal
Write a mathematical expression that represents a phrase or sentence.

17. Words that represent a mathematical Operator
Total
Sum
More than
Increased by
Words that represent a mathematical Operator
Difference
Less than
Decreased by
Fewer than ×
Product
Times ÷
Quotient
Divided by

18. Writing Variable Expressions
Objective/Goal
Write a mathematical expression that represents a phrase or sentence.

19. Writing Variable Expressions
Steps
Step 1
Identify operator vocabulary
Step 2
Identify numerals
Step 3
Identify variable or assign variable
Step 4
Write expression

20. Writing Variable Expressions
Step 1
Identify operator vocab
Step 2
Identify numerals
Step 3
Identify variable or assign variable
Step 4
Write expression
A number increased by three

21. Writing Variable Expressions
Step 1
Identify operator vocab
Step 2
Identify numerals
Step 3
Identify variable or assign variable
Step 4
Write expression
Seven fewer than a number t

22. Writing Variable Expressions
Step 1
Identify operator vocab
Step 2
Identify numerals
Step 3
Identify variable or assign variable
Step 4
Write expression
A number x times 10

23. Write the Expression for each statement
7 Course 3
Write the Expression for each statement
10 more than h
k divided by 2
Six times x
12 less than g

24. Review I can determine if an expression is variable or numerical
I can write a numerical or variable expression from a sentence
I can write a real world variable expression

25. Real World Expressions
Shoes cost $23.00 per pair. Write a variable expression for the cost of w pairs of shoes. Write an expression for the feet in y yards

26. Your Turn
8 Course 3
Bagels cost $0.50 each. Write a variable expression for the cost of b bagels Write a variable expression for the number of hours in m minutes

27. Review I can determine if an expression is variable or numerical
I can write a numerical or variable expression from a sentence
I can write a real world variable expression

28. Lesson 9.01 Worksheet all Homework End of Class Rules!!!
1. Clean Up your Area
Wait in your chairs
3. I dismiss not the bell
4. Push in your chairs
5. Keep it to a low roar