3. (2 + 1) + 4 = 2 + (1 + 4) Associative Property of Addition

4. 3 + 7 = 7 + 3 Commutative Property of Addition

5. 8 + 0 = 8 Identity Property of Addition

12. 6 x 4 = 4 x 6 Commutative Property of Multiplication

13. 6 x 0 = 0 Zero Property of Multiplication

14. (4 x 2) x 3 = 4 x (2 x 3) Associative Property of Multiplication

15. 24.1 x 1 = 24.1 Identity Property of Multiplication

16. 2(5) = 5(2) Commutative Property of Multiplication

20. Distributive property of multiplication symbolically: A × ( b + c ) = (a × b) + (a × c)

21. Distributive property of multiplication symbolically: 4 × ( 7 + 3 ) = (4 × 7) + (4 × 3)

23. Distributive property of multiplication symbolically: 6 × ( 4 + 2 ) = (6 × 4) + (6 × 2)

25. 20 × ( 5 + 8 ) = (20 × 5) + (20 × 8) Evaluate - 260

26. 9 × ( 90 - 10 ) =(9× 90) - (9 × 10) Evaluate - 720

27. 5 × ( 40 + 20 ) =(5× 40) + (5× 20) Evaluate - 300

28. 300 × ( 80 - 30 ) =(300 × 80) - (300 × 30) Evaluate - 15,000

29. 50(10-3) + 40(9-6) =(500-150) + (360-240) 350 + 120

32. 7(3) = 3(7) Commutative Property of Multiplication

33. (5 + 4) x 9 = 45 + 36 Distributive Property

34. (C x D) x E = C x (D x E) Associative Property of Multiplication

35. a(b) = b(a) Commutative Property of Multiplication

36. a(b + c) = ab + ac Distributive Property

37. 5. 7 = 7. 5 Commutative Property of Multiplication

38. (2 x 1) x 4 = 2 x (1 x 4) Associative Property of Multiplication

39. 9 × ( 80 - 3 ) =(9 × 80) - (9 × 3) Evaluate - 693

40. 9 x 25 9 x (20 + 5 ) (9 x 20) + (9 x 5) 180 + 45 225

41. 7 x 89 7 x (80 + 9 ) (7 x 80) + (7 x 9) 560 + 63 623

42. 6 x 78 6 x (70 + 8 ) (6 x 70) + (6 x 8) 420 + 48 468

43. 5 x 36 5 x (30 + 6 ) (5 x 30) + (5 x 6) 150 + 30 180