lesson 3-4 pages 120-124
DESCRIPTION
Lesson 3-4 Pages 120-124. Adding Integers. Lesson Check 3-3. What you will learn!. How to add integers. Vocabulary. What you really need to know!. Adding Integers with the Same Sign: Add their absolute values. Give the result the same sign as the integers. - PowerPoint PPT PresentationTRANSCRIPT
Lesson 3-4 Pages 120-124
Adding Integers
Lesson Check 3-3
What you will learn!
How to add integers.
OppositesOppositesAdditive inverseAdditive inverse
What you really need to know!
Adding Integers with the Same Sign:Add their absolute values. Give the result the same sign as the integers.
Adding Integers with Different Signs:Subtract their absolute values. Give the result the same sign as the integer with the greater absolute value.
What you really need to know!
A number line can help you walk to the right answer!
-6 -5 -4 -3-10 -9 -8 -7 -2 -1 0 1-11-12-13
-9
Example 1:
-6 + -3
2 3 4 5-2 -1 0 1 6 7 8 9-3-4-5
1
Example 2:
8 + (-7)
2 3 4 5-2 -1 0 1 6 7 8 9-3-4-5
-1
Example 3:
-5 + 4
2 3 4 5-2 -1 0 1 6 7 8 9-3-4-5
-5
Example 4:
2 + -7
-3 -2 -1 0-7 -6 -5 -4 1 2 3 4-8-9-10
-3
Example 5:
-9 + 6
-3 -2 -1 0-7 -6 -5 -4 1 2 3 4-8-9-10
Example 6:
-34 + -21
-37 -36 -35 -34-41 -40 -39 -38 -33 -32 -31 -30-42-43-44 -57 -56 -55 -54-61 -60 -59 -58 -53 -52 -51 -50-62-63-64
-55
Page 122
Guided Practice
#’s 5-10
Pages 120-122 with someone at home and study
examples!
Read:
Homework: Page 123-124
#’s 12-58 even
#’s 62-69
Lesson Check 3-4
Page
570
Lesson 3-4
Lesson Check 3-4
Mid-Chapter Practice Test
Page
116
#’s 1-16Lesson Check 3-4
D
F
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