1. 2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Place Value Data AnalysisVariablesDecimalsMental Math

2. Write the place value of the underlined digit. 56.421

3. 56.421 hundredths place

4. What is the whole number portion of the decimal? 417. 0438

5. 417

6. What is the place value of the underlined digit? 34.3269

7. 34.3269 The nine is in the ten thousandths place.

8. Write this in number form. Six hundred forty two ten- thousandths

9. Six hundred forty two ten- thousandths 0.0642

10. Write this number in expanded form. 31.0456

11. 31.0456 = 30 + 1 + 0.04 + 0.005 + 0.0006

12. Which type of graph would be the best for comparing the annual rainfall in Phoenix, Arizona and San Antonio, Texas? A. Circle graph B. Scatter-plot C. Line Graph D. Bar Graph

13. C. Bar graph

14. Find the mode of this set of data. Be ready to explain your answer. 74, 67, 54, 66, 80, 77, 70, 82, 79, 84, 75

15. No mode There is no number that occurs more often than the others in the data set.

16. Find the range in this set of data. -2, 6, 5, -4, 6, 3, 2

17. The range is 10.

18. Find the median in this set of data. 215, 207, 210, 208, 211, 205, 215,

19. The median is 210. 205, 207, 208, 210, 211, 215, 215

20. Find the mean in this set of data. 5.3, 2.7, 3.1, 4, 5.8

21. The mean is 4.18

22. Solve the equation for the variable. 27 = y + 12 y =

23. y = 15

24. Solve the equation. z - 31 = 17

25. z = 48

26. Solve the equation. 47 = a + 36

27. a = 11

28. Solve the equation. 76 = y - 18

29. y = 94

30. Solve the equation. 9n + 1 = 73

31. n = 8

32. Where does the decimal belong? 0.7 X 12 = A. 0.84 B. 0.084 C. 8.4 D. 84.0

33. C. 8.4

34. 27 + 0.185 =

35. 27 + 0.185 = 27.185

36. 2.57 + 7.762 + 0.5 =

37. 2.57 + 7.762 + 0.5 =10.832

38. 15 – 6.108 =

39. 15 – 6.108 = 8.892

40. If n = 1.78, which equation is true? A. n – 0.3 = 2.08 B. 2.3 + n = 4.08 C. n + 0.3 = 1.48 D. 5 – n = 4.22

41. B. 2.3 + n = 4.08

42. Greater, equal or less than? 656.07 656.23

43. 656.07 < 656.23

44. 8.7 X 100 =

45. 8.7 X 100 = 870

46. 0. 64 ÷ 10 =

47. 0. 64 ÷ 10 = 0.064

48. 2x = 38 x =

49. 2x = 38 x = 19

50. 10 x 10 x 10 x 10 x 10 x 10 =

51. 10 x 10 x 10 x 10 x 10 x 10 = 1,000,000