1. Intro to Integers Adv. Math 7 Unit 1: The Number System Introduction and Vocabulary Mrs. Ludwick

2. What do integers have to do with golf?

3. Vocabulary What are integers? The set of positive whole numbers, their opposites and zero.

4. Vocabulary What are examples of integers? 2, 0, -5 What are non-examples of integers? Any fractions or decimals

5. Vocabulary How do we put integers on a number line?

6. Vocabulary What are opposites? Two numbers that are equal distance from zero on a number line, but in opposite directions. They are also called additive inverses.

7. Vocabulary What are examples of opposites? 3, -3 5, -5 21, -21

8. Vocabulary How do we graph opposites on a number line?

9. Vocabulary What is absolute value? The distance of a number from zero on a number line. The absolute value of a number is always POSITIVE!

10. Vocabulary What are examples of absolute value? 4 -7 = 4 = 7

11. Comparing Integers Numbers increase in value from left to right on a horizontal number line.

12. Example 1 Compare -7 and 1 using. ____________ ______________ ______________

13. Example 2 Compare -5 and -2 using. ____________ ______________ ______________

14. Example 3 Compare -6 degrees and 3 degrees using. ____________ ______________ ______________

15. Ordering -Example 4 Order least to greatest. -16, 4, -2, -8, 17 ______________________________________________

16. Ordering -Example 5 ______________________________________________ Order least to greatest. 36, -24, 40, -10, -32, 25

17. Ordering - Example 6 Order the cities from coldest to warmest. _______________________________________________ CityTemperature Nome, Alaska-10 F Fairbanks, Alaska-27 F Kodiak, Alaska10 F Valdez, Alaska8 F Juneau, Alaska11 F Anchorage, Alaska-5 F

18. Homework Pg. 6-7 #4-11, 32-52