### Lesson 1-4 Integers and Absolute Value 1ax

```By: Mr. Menjivar
Observe,
Question,
Comment
08/23/11
Lesson 1-4 Integers and Absolute
Value Reflection
08/23/11
Lesson 1-4 Integers and Absolute Value
Warm-Up:
4L
4R
Assignment #2
Write an expression for each word phrase.
Then identify each expression as a numeric
expression or an algebraic expression.
1.
2.
3.
4.
The total of h and 56
Three less than d
Five decreased by three
a divided by seven

Simplify each expression
8−2•2

12 ÷ 3 − 1 • 2 + 1

20 − 3 5 + 2 − 1

Observe,
Question,
Comment
08/23/11
Lesson 1-4 Integers and Absolute
Value Reflection
Warm-Up:
08/23/11
Lesson 1-4 Integers and Absolute Value
Standard:
4L
4R

Number Sense 2.5: Understand the meaning
of absolute value of a number; interpret the
absolute value as the distance of the number
from zero on a number line; and determine
the absolute value of real numbers.
Observe,
Question,
Comment
08/23/11
Lesson 1-4 Integers and Absolute
Value Reflection
Warm-Up:
08/23/11
Lesson 1-4 Integers and Absolute Value
Standard:
Objective:
4L
4R



To graph and order integers
To find opposites and absolute values
Why learn this: To represent real-world
quantities that are less than zero, such as
temperatures and scores.
Observe,
Question,
Comment
08/23/11
Lesson 1-4 Integers and Absolute
Value Reflection
Warm-Up:
08/23/11
Lesson 1-4 Integers and Absolute Value
Standard:
Objective:
Vocabulary:
4L
4R

Integer:

Absolute Value:
Observe,
Question,
Comment
08/23/11
Lesson 1-4 Integers and Absolute
Value Reflection
Warm-Up:
08/23/11
Lesson 1-4 Integers and Absolute Value
Standard:
Objective:
Vocabulary:
Notes/Examples:
4L
4R

Numbers increase in value from left to right

Put -1, 4, and -5 in order from least to
greatest

Put 0, 2, and -6 in order from least to
greatest

Use the Number Line to find the −3 and 3

Use the Number Line to find the −10

Use the Number Line to find the − −10
Observe,
Question,
Comment
08/23/11
Lesson 1-4 Integers and Absolute
Value Reflection
Warm-Up:
08/23/11
Lesson 1-4 Integers and Absolute Value
Standard:
Classwork #1:
Objective:
Vocabulary:
Notes/Examples:
4L
4R
Observe,
Question,
Comment
08/23/11
Lesson 1-4 Integers and Absolute
Value Reflection
Warm-Up:
08/23/11
Lesson 1-4 Integers and Absolute Value
Standard:
Classwork #1:
Objective:
Vocabulary:
Notes/Examples:
[Back to the NOTES]
4L
4R

14 − 9 + 4

14 + 9 − 4

14 − 9 − 4

5 −4

54

−5 −4

10 + 9 − 2 ∙ 7

10 − 9 + 2 ∙ 7

10 − 9 − 2 ∙ 7

−12 − 12 − 5
Observe,
Question,
Comment
08/23/11
Lesson 1-4 Integers and Absolute
Value Reflection
Warm-Up:
08/23/11
Lesson 1-4 Integers and Absolute Value
Standard:
Classwork #1:
Objective:
Classwork #2:
Vocabulary:
Notes/Examples:
[Back to the NOTES]
4L
4R

Break Time

Graph 2, -2, and -3 on the number line. List
the numbers in order from least to greatest.

Find −5 and 5

Simplify 9 − 11 − 7
```