1. Math Log #40

2. Math Log #40
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3. Outcome: Students know why digits repeat in terms of the algorithm.
Module 7 Lesson 8
Outcome: Students know why digits repeat in terms of the algorithm.

4. NOTES

5. Exercise 1 Pg. 39

6. Exercise 2 Pg. 40

7. Exercise 3 Pg. 41

8. Exercise 4-5 Pg

9. Think about it…. Discussion:
What is the decimal expansion in Ex. 1? Did you use long division? Why or why not?
What is the decimal expansion in Ex. 2? Did you use long division? Why or why not?
What is the decimal expansion in Ex. 3? Did you use long division? Why or why not?
What is the decimal expansion in Ex. 4? Did you use long division? Why or why not?
How did you know when to stop?
Remember, when something is divisible by prime factorization of 2s and 5s, the decimal expansion is FINITE.

10. Exercises 6-10 Pgs
Work exercises 6-10, ask a neighbor for help if you get stuck.

11. HOMEWORK
Problem Set Page S.45 (1-8)