Download 1.1: Do Now

Day 1 - Do Now: Graph the numbers
on the number line and order them
from least to greatest.
1.) 5, -2, -3
2.) 3.2, ½, -2, 3.7
3
3.)  , 2 ,0.5
2
Do Now: Graph the numbers on the
number line. Then compare the
numbers using the symbol > or <.
1.)  4 and  2.1
9
7
and 
2.) 
14
12
Algebra II Elements
1.1: Real Numbers and Number Operations
HW: Work on summer packet – Due Friday
Quiz 1.1-1.3: Tuesday, 9/17
Vocabulary
• Real numbers consist of rational and
irrational numbers.
Vocabulary
• A rational number is any number that can
be written as a fraction. An irrational
number cannot be written as a fraction.
– Examples of rational number:
– Examples of irrational numbers:
Inverse Operations
• What are inverse operations? Give
examples.
Reciprocal
• Give an example of numbers that are
reciprocals of each other.
Algebra II Elements
1.2: Algebraic Expressions and Models
HW: p.12-13 (24-64 every other even)
Summer Packet due Friday
Quiz 1.1-1.3: Tuesday, 9/17
• What is an expression?
• What is an equation?
• What is a power? What are the two
parts of a power?
1.)
Evaluate the power.
5.)
2.)
6.)
3.)
7.)
4.)
8.)
1.)
Simplify the expression
3
2
3.)
3  (7  4)
8  3 4  3
2.)
16  (6  4)  5
• What is a coefficient?
• Give an example of like terms.
• Give an examples of terms that are not
like terms.
Evaluate the expression for the
given value of the variable.
1.) -10x + 15 when x = 2
2.) 5j – 3j(5) when j = 10
Evaluate the expression for the
given value of the variable.
3.) y(x – 5)2 when x = 3 and y = 3