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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.
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Lesson 3-4 Pages 120-124 Adding Integers Lesson Check 3-3
What you will learn! How to add integers.
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!
Example 1: -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 -6 + -3 -9
Example 2: -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 8 + (-7) 1
Example 3: -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 -5 + 4 -1
Example 4: -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 2 + -7 -5
Example 5: -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 -9 + 6 -3
Example 6: -64 -44 -10 -63 -43 -9 -62 -42 -8 -41 -61 -7 -40 -6 -60 -39 -5 -59 -4 -38 -58 -37 -3 -57 -2 -36 -56 -35 -1 -55 0 -34 -54 -33 -53 1 -52 -32 2 3 -31 -51 -30 -50 4 -34 + -21 -55
Page 122 Guided Practice #’s 5-10
Read: Pages 120-122 with someone at home and study examples!
Homework: Page 123-124 #’s 12-58 even #’s 62-69 Lesson Check 3-4
Page 570 Lesson 3-4
Mid-Chapter Practice Test Page 116 #’s 1-16 Lesson Check 3-4
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