1. Lesson 1.4

2. Math Wars

3. Conquer! Defend! Risk Surrender

4. Math Wars 1 What is the GCF of 18 and 24? 6

5. Math Wars 2 What is the GCF of 28 and 70? 14

6. Math Wars 3 What is the GCF of 16, 32 and 40? 8

7. Math Wars 4 What is the GCF of 39 and 52? 13

8. Math Wars 5 What is the GCF of 54 and 36? 18

9. Math Wars 6 What is the GCF of 14 and 91? 7

10. Math Wars 7 What is the GCF of 56, 32 and 40? 8

11. Math Wars 8 What is the GCF of 84 and 120? 12

12. Math Wars 9 What is the GCF of 70 and 28? 14

13. Math Wars 10 What is the GCF of 32 and 48? 16

14. Math Wars 11 What is the GCF of 54, 72 and 81? 9

15. Math Wars 12 What is the LCM of 9 and 12? 36

16. Math Wars 13 What is the LCM of 4 and 15? 60

17. Math Wars 14 What is the LCM of 10 and 15? 30

18. Math Wars 15 What is the LCM of 2, 3 and 4? 12

19. Math Wars 16 What is the LCM of 8 and 11? 88

20. Math Wars 17 What is the LCM of 28 and 56? 56

21. Math Wars 18 What is the LCM of 7 and 15? 105

22. Math Wars 19 What is the LCM of 7 and 9? 63

23. Math Wars 20 What is the LCM of 4, 6 and 8? 24

24. Math Wars 21 What is other name for multiple? product or dividend

25. Math Wars 22 If multiple is the number being divided, factor is the number that ___________. divides

26. Problem Recall

27. PROBLEM Mary wants to put her pictures 12 in a page or 8 in a page. What is the least number of pictures that she needs in order to do this?

28. PROBLEM Mary wants to put her pictures 12 in a page or 8 in a page. What is the least number of pictures that she needs in order to do this?

29. PROBLEM Mary wants to put her pictures 12 in a page or 8 in a page. What is the least number of pictures that she needs in order to do this?

30. PROBLEM Mary wants to put her pictures 12 in a page or 8 in a page. What is the least number of pictures that she needs in order to do this?

31. PROBLEM A piece of string can be cut into 6 inches, 8 inches and 4 inches. What is the shortest measurement of string to do this?

32. PROBLEM A piece of string can be cut into 6 inches, 8 inches and 4 inches. What is the shortest measurement of string to do this? 24 cm 4 in/pc 6 in/pc 8 in/pc

33. Exploring Other Means Using continuous division

34. PROBLEM Two buses leave the terminal at 8 am. Bus 36 takes 60 minutes to complete its route; Bus 87 takes 75 minutes. When is the next time the two busses will arrive together at the terminal (if they are on time)?

35. PROBLEM 2 A large square panel can be cut into smaller square sheets. If we can cut all squares of 72 cm on each side or all squares of 96 cm on each side, what is the smallest possible size of the panel?

36. Math Workout Practicing the skills

37. LCM : Continuous Division 1. 135 and 180 2. 84 and 120 3. 75, 135 and 180 4. 64, 48 and 116 5. 40, 56 and 108

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