1. Purple Lesson 1.2 Page 11 Variables and Expressions
Vocabulary (Copy...will be on test)
Review
Page 6
Evaluate - solve
Order of Operation - rules to follow when evaluating an expression with more than one operation
Page 11
Algebra - branch of math that uses symbols
Variable - a letter or symbol used to represent an unknown value
Algebraic Expression - contains at least one variable and one math operation

2. Vocabulary
Page 6
Evaluate - solve
Order of Operation - rules to follow when evaluating an
expression with more than one operation
Page 11
Algebra - branch of math that uses symbols
Variable - a letter or symbol used to represent an
unknown value
Algebraic Expression - contains at least one variable and
one math operation

3. Subtraction Translating Expressions Into Words Addition plus sum
more than
increased by
in all
Subtraction
Multiplication
Division

4. Translating Expressions Into Words
Subtraction
minus
difference
less than
subtract
decreased by
less

5. per Translating Expressions Into Words Multiplication times product
multiplied
each of
factors
per

6. Translating Expressions Into Words
Division
divided
quotient
per
rate
ratio
separate

7. Page 12
Study Example 1a and 1 b

8. Page 12
GP 1A and 1 B
two miles less than the athlete ran
five points more than the points scored by field goals if each field goal is worth 3 points

9. Page 12
Example 2
d = 16 and f = 18
Evaluate d f

10. Page 12 GP Evaluate 6 - e + f Evaluate 7k + h 2 b If k = 4 and h = 10
2a If e = 3 and f = 9
Evaluate e + f
2 b If k = 4 and h = 10
Evaluate 7k + h

11. Page 12 GP Evaluate 6 - e + f Evaluate 7k + h 2 b If k = 4 and h = 10
2a If e = 3 and f = 9
Evaluate e + f
2 b If k = 4 and h = 10
Evaluate 7k + h

12. r = 1, s = 5, and t = 8 Evaluate 6a + 2 t st r + (40 - 20 3t)
Page Example 3
r = 1, s = 5, and t = 8
Evaluate
6a + 2 t st 20
r + (40 -
3t)

13. r = 1, s = 5, and t = 8 Evaluate 6a + 2 t st r + (40 - 20 3t)
Page Example 3
r = 1, s = 5, and t = 8
Evaluate
6a + 2 t st 20
r + (40 -
3t)

14. PG Page 13
a = 4 b = c = 12
3b ab 16
3a 3a + 2c
3c c + (5b - 2a)

15. PG Page 13
a = 4 b = c = 12
3b ab 16
3a 3a + 2c
3c c + (5b - 2a)

16. Questions?

17. Problems 32 - 37 IP Page 14 Problems 1 - 10 and 12 - 29
Write problems and show your work on problems and
Problems

18. Answers
1. c - 4 t
3. 10h s

19. 5. 25
6. 3
7. 16
8. 7
9. 12

20. 12. 3b s
14. p + 13 n
16. n
n - 4

21.
19. 4
22. 6
25. 6
28. 4