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# Adding Integers using number chips

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### Transcript

• 1. WELCOME TO … Ms. Herzog’s Integers Lesson!
• 2. What is an integer??? Any whole number. It can be positive or negative. ANSWER Adding Integers! Examples: 2, -5, 245, 0, 9, -1,399
• 3. How do we add positive and negative integers? Think in terms of number chips Example: We can think of 4 as four positive chips +4
• 4. How do we add positive and negative integers? Think in terms of number chips Another example: We can think of -3 as three negative chips -3
• 5. How do we add positive and negative integers? Think in terms of number chips Another example: We can think of -8 as eight negative chips -8
• 6. How do we add positive and negative integers? Think in terms of number chips Another example: We can think of 6 as six positive chips +6
• 7. Let’s do an example! Use number chips! 4 + 7 ANSWER 11 +4 +7
• 8. Let’s do an example! Use number chips! -2 + 5 ANSWER 3 One negative chip and one positive chip cancel! +5 -2
• 9. Let’s do an example! Use number chips! 3 + (-5) ANSWER -2 One negative chip and one positive chip cancel! +3 -5
• 10. Let’s do an example! Use number chips! -8 + 5 ANSWER -3 One negative chip and one positive chip cancel! -8 +5
• 11. Let’s do an example! Use number chips! -3 + (-5) ANSWER -8 There are no chips to cancel! -5 -3
• 12. -3 + (-8) -11 ANSWER Number Chips! -3 -8
• 13. 4 + (-5) -1 ANSWER Number Chips! +4 -5
• 14. -3 + 9 6 ANSWER Number Chips! -3 +9
• 15. <ul><li>You Try! </li></ul><ul><li>(-1) + (3) 6. (-7) + (1) </li></ul><ul><li>(4) + (-5) 7. (2) + (-3) </li></ul><ul><li>(10) + (-7) 8. (-3) + (-5) </li></ul><ul><li>(-2) + (-3) 9. (2) + (-1) </li></ul><ul><li>(-5) + (2) 10. (-2) + 1 </li></ul>