2. Becky Afghani, LBUSD Math Curriculum Office, 2004 Properties Beat the Computer Drill

3. Becky Afghani, LBUSD Math Curriculum Office, 2004 Directions A slide will appear showing an equation which illustrates a property. Say the property aloud before the computer can answer (6 sec). You will hear a sound when the slide changes.

4. Becky Afghani, LBUSD Math Curriculum Office, 2004 a + b = b + a

5. Becky Afghani, LBUSD Math Curriculum Office, 2004 Commutative Property for Addition a + b = b + a

6. Becky Afghani, LBUSD Math Curriculum Office, 2004 ab + ac = a(b + c)

7. Becky Afghani, LBUSD Math Curriculum Office, 2004 Distributive Property ab + ac = a(b + c)

8. Becky Afghani, LBUSD Math Curriculum Office, 2004 a b = b a

9. Becky Afghani, LBUSD Math Curriculum Office, 2004 Commutative Property for Multiplication a b = b a

10. Becky Afghani, LBUSD Math Curriculum Office, 2004 a 1 = a

11. Becky Afghani, LBUSD Math Curriculum Office, 2004 Multiplicative Identity Property a 1 = a

12. Becky Afghani, LBUSD Math Curriculum Office, 2004 a + 0 = a

13. Becky Afghani, LBUSD Math Curriculum Office, 2004 Additive Identity Property a + 0 = a

14. Becky Afghani, LBUSD Math Curriculum Office, 2004 (a b) c = a (b c)

15. Becky Afghani, LBUSD Math Curriculum Office, 2004 Associative Property for Multiplication (a b) c = a (b c)

16. Becky Afghani, LBUSD Math Curriculum Office, 2004 (a + b) + c = a + (b + c)

17. Becky Afghani, LBUSD Math Curriculum Office, 2004 Associative Property for Addition (a + b) + c = a + (b + c)

18. Becky Afghani, LBUSD Math Curriculum Office, 2004 a + (-a) = 0

19. Becky Afghani, LBUSD Math Curriculum Office, 2004 Additive Inverse Property a + (-a) = 0

20. Becky Afghani, LBUSD Math Curriculum Office, 2004 a(b + c) = ab + ac

21. Becky Afghani, LBUSD Math Curriculum Office, 2004 Distributive Property a(b + c) = ab + ac

22. Becky Afghani, LBUSD Math Curriculum Office, 2004 a 0 = 0

23. Becky Afghani, LBUSD Math Curriculum Office, 2004 Multiplicative Property of Zero a 0 = 0

24. Becky Afghani, LBUSD Math Curriculum Office, 2004 a = 1 a 1

25. Becky Afghani, LBUSD Math Curriculum Office, 2004 Multiplicative Inverse Property a = 1 a 1

26. Becky Afghani, LBUSD Math Curriculum Office, 2004 If x = b, then x + c = b + c

27. Becky Afghani, LBUSD Math Curriculum Office, 2004 Addition Property of Equality If x = b, then x + c = b + c

28. Becky Afghani, LBUSD Math Curriculum Office, 2004 If x = b, then x c = b c

29. Becky Afghani, LBUSD Math Curriculum Office, 2004 Multiplication Property of Equality If x = b, then x c = b c

30. Becky Afghani, LBUSD Math Curriculum Office, 2004 a = a

31. Becky Afghani, LBUSD Math Curriculum Office, 2004 Reflexive Property of Equality a = a

32. Becky Afghani, LBUSD Math Curriculum Office, 2004 If a = b, then b = a

33. Becky Afghani, LBUSD Math Curriculum Office, 2004 Symmetric Property of Equality If a = b, then b = a

34. Becky Afghani, LBUSD Math Curriculum Office, 2004 If a = b, and b = c, then a = c

35. Becky Afghani, LBUSD Math Curriculum Office, 2004 Transitive Property of Equality If a = b, and b = c, then a = c

36. Becky Afghani, LBUSD Math Curriculum Office, 2004 If x = 3, then 5x = 15

37. Becky Afghani, LBUSD Math Curriculum Office, 2004 Substitution Property of Equality If x = 3, then 5x = 15

38. Becky Afghani, LBUSD Math Curriculum Office, 2004 Good Job!