Algebra I Unit #1: Expressions, Equations, and Functions
Essential Questions:
Writing
andwrite
Evaluating
Algebraican
Expressions
1)1)
How
do you
and evaluate
algebraic expression?
2) Using Expressions to Write Equations and Inequalities
2) How do you use expressions to write equations and
inequalities?
3) What can be represented by a function and why?
(Represent the function in at least 3 different ways).
Vocab:
variable
algebraic expression
power, exponent
base
inequality
order of operations
rate, unit rate
open sentence
equation
precision
solution of an equation
formula
function
domain
range
independent variable
dependent variable
relation
significant digits
Khan Academy Sections: Evaluating Expressions in One Variable, Order of operations, Writing Expressions,
Understanding Function Notation, Domain and Range, Units, Significant Figures, Equations from Tables.
Homework Check
5 points
4 points
Algebra I Section/Lesson
Assigned Problems
3 points
Day 1
Day 2
Pre-Test/Word Walls/Journal Questions
Word Wall
1.1 Evaluate Expressions
1.2 Apply order of Operations
Pages 5-7
x: 1, 12-14, 24, 25, 32-44even,
48 (15 total)
y: 1, 2, 8-14 even, 24, 25, 28-44
even, 49 (18 total)
How do you use order of operations to
evaluate an expression?
Khan: Order of Operations
How do you evaluate algebraic
expressions and powers?
Khan: Evaluating Expressions in One
Variable
Day 3
1.3 Write Expressions
*How do you write an expression to
represent a real-world situation?
Khan: Writing Expressions
Pages 10-12
x: 2, 10-18 even, 20, 24-30
even, , 32, 33 (14 total)
y: 1, 2, 8-18even, 21-29odd,
32, 35 (15 total)
Journal Questions #1, #2, #9
Pages 18-20
x: 9-12, 18-26, 29, 32 (15 total)
y: 4-12even, 13-18, 22-25, 31
(16 total)
Day 4
1.4 Write Equations and Inequalities
*How do you write equations and
inequalities?
Pages 24-26
x: 2, 4-10even, 12, 20-28even,
40, 43 (13 total)
y: 2, 3-9odd, 13, 17-27odd, 39,
42 (14 total)
Journal Question #3
Day 5
Quiz Lessons 1.1-1.4
Work on Journal Questions
Journal Questions: 6, 7
Day 6
Polya’s Problem Solving Strategies
Everyone: WS
*How can different problem solving
strategies be used to solve word
problems?
What does a good journal question
response look like?
Journal Question #4
Day 7
Day 8
1.7 Represent Functions as Rules and
Tables (#1)
Pages 44-46
*How do you represent functions as
tables and rules?
x: 1-13, 24 (14 total)
y: 1-13, 23 (14 total)
Khan: Equations from tables,
Understanding Function Notation
1.7 Represent Functions as Rules and
Tables (#2)
1.8 Extension: Determine whether a
relation is a function.
*How do you determine if a relation is a
function?
Pages 44-46
Everyone: 14-21, 25
Page 56
1-6 (15 total)
Journal Question #5, #8
Day 9
1.8 Represent Functions as Graphs
Pages 52-54
*How do you represent functions as
graphs?
x: 1, 6-8, 11, 12, 16, 19, 39(quiz) (15 total)
y: 1, 4-12 evens, 16, 19, 19(quiz) (17 total)
Khan: Domain and Range
Journal Question #10
Day 10
Quiz Lessons 1.7-1.8
Day 11
Journal Question #7
Test Review
No Stamp Needed
Day 12
Unit 1 Test
No Stamp Needed
Journal Questions
Due Today
Chapter 1 Journal Questions
Book problems (2 points each):
1) p7 #54 (a-c)
2) p12 #39
3) p26 #46
4) p32 #20 (a &b)
5) p46 #28
Extra Credit p.57 #3
ACT problems (2 points each):
6) Danielle spends her summers working as a baby sitter for families in the neighborhood. She began
one day with $20, and then she worked for 4 hours in the morning at $10 per hour and received a $5 tip.
In the afternoon, she worked for 3 more hours at $12 per hour but needed to pay $7 to take a cab
home. How much money did she have at the end of the day?
a) $74
b) $94
c) $104
d) $ 108
e) $ 118
7) If you double a number and then subtract 6, the result is the same as if you add 18 to the same
number and then multiply what you get by -4. What is the result when you add 14 to the number?
a) -13
b) -3
c) 3
d) 13
e) 23
8) The function y = 2x + 4 has a domain of 2, 3, 5, 7, and 8. Which number is not in the range of the
function?
a) 8
b) 12
9) The expression
5
a) - 4
c) 18
2−12÷2
−(−2)2
5
b) 4
d) 20
is equal to:
c) -1
d) 1
e) -0.5
10) Which is a rule for the function given by the input-output table?
Input, x
Output, y
a) y = x – 3
8
5
10
7
b) y = x – 2
12
9
c) y = x + 3
14
11
d) y = x + 2