1. Topic 3 Review

2. What is the missing number in the number sentence? (8*9)*10 = ? *( 10*8)

4. What is the missing number in the number sentence? 3*(5*6) = (6*3)*?

6. Solve Mentally 70*70 = ?

8. Solve Mentally 300*1200

10. John plans to ride his bike 16 miles a day. Estimate how many miles he will ride in the next 28 days.

11. 20*30 = 600

12. If the Smith family buys one of each item from the table below, estimate how much money they will spend in all. ItemCost Computer$659 DVD Player$129 Stereo System$111 Video Camera$355 Digital Camera$78

13. 700+100+100+400+100=

14. Find the Product: 29*7

16. Find the Product: 189*6

18. Find the Product: 66*77

20. Find the Product: 732*23

22. If Cookie Monster can eat 15 cookies a minute, how many cookies can he eat in an hour?

23. 15*60=900

24. Write in Expanded Form: 9 5

26. 6 6

28. Write in Standard Form: 6 3

30. 8 2

32. Write in Exponential Notation: 7*7*7*7

34. Write in Exponential Notation: 8*8*8*8*8*8*8

36. Draw a picture and write an equation to solve Brad drinks 64 ounces of water a day. How many ounces will he drink in 5 days?

37. 64oz. W 64x 5 = w w = 320 ounces

38. Use the distributive property to solve: 203 x 20

39. 203 x 20 = (200 + 3) x 20 (200 x 20) + (3 x 20) 4000 + 60 = 4,060