1. Multiplying/ Dividing
* Decimal Jeopardy *
Rounding/ Estimating
Adding/ Subtracting
Multiplying/ Dividing
Scientific Notation
Misc.
100
200
300
400
500

2. Rounding/Estimating - 100
Round to the nearest tenth:
Category

3. Rounding/Estimating – 100
23.5
Category

4. Rounding/Estimating - 200
Round to the nearest hundredth:
Category

5. Rounding/Estimating – 200
123.25
Category

6. Rounding/Estimating - 300
Estimate the sum by rounding to the nearest whole numbers:

7. Rounding/Estimating - 300
= 21

8. Rounding/Estimating - 400
Estimate the product using compatible numbers: x

9. Rounding/Estimating - 400
130 x 20 = 2,600

10. 35.125 ÷ 5.98 Rounding/Estimating - 500
Estimate the quotient using compatible numbers:
÷ 5.98

11. Rounding/Estimating - 500
35 / 5 = 7

12. Adding/Subtracting - 100

13. Adding/Subtracting - 100
35.144

14. Adding/Subtracting - 200

15. Adding/Subtracting - 200
44.408

16. Adding/Subtracting - 300

17. Adding/Subtracting - 300
22.072

18. Adding/Subtracting - 400

19. Adding/Subtracting - 400
0.19

20. Adding/Subtracting - 500

21. Adding/Subtracting - 500
51.717

22. Multiplying/Dividing - 100
3.2 x 7

23. Multiplying/Dividing - 100
22.4

24. Multiplying/Dividing - 200
2.04 x 1.8

25. Multiplying/Dividing - 200
3.672

26. Multiplying/Dividing - 300
13 ÷ 2

27. Multiplying/Dividing - 300
6.5

28. Multiplying/Dividing - 400
6.03 ÷ 9

29. Multiplying/Dividing - 400
0.67

30. Multiplying/Dividing - 500
22.8 ÷ 0.4

31. Multiplying/Dividing - 50057

32. Convert to Standard Form:
Scientific Notation - 100
Convert to Standard Form:
2.18 x 104

33. Scientific Notation - 100
21,800

34. Convert to Standard Form:
Scientific Notation - 200
Convert to Standard Form:
1.243 x 108

35. Scientific Notation - 200
124,300,000

36. Convert to Standard Form:
Scientific Notation - 300
Convert to Standard Form:
5.231 x 10-7

37. Scientific Notation - 300

38. Convert to Scientific Notation:
32,900,000,000

39. Scientific Notation - 400
3.29 x 1010

40. Convert to Scientific Notation:

41. Scientific Notation - 500
3.9 x 10-5

42. In what place is the 6 located?
Miscellaneous - 100
In what place is the 6 located? 1,

43. Miscellaneous - 100
ten-thousandths

44. Write the following number in word form:
Miscellaneous - 200
Write the following number in word form:
43.082

45. forty three and eighty two thousandths
Miscellaneous - 200
forty three and eighty two thousandths

46. Miscellaneous - 300
Compare the Decimals:
____ 0.2

47. Miscellaneous - 300
< 0.2

48. Is the following number in Scientific Notation – why or why not?
Miscellaneous - 400
Is the following number in Scientific Notation – why or why not?

49. Miscellaneous - 400
No because the first number must be less than 10. It should instead be written as x 107

50. Find a number between the following 2 decimals:
Miscellaneous - 500
Find a number between the following 2 decimals:
3.02 and 3.03

51. Miscellaneous - 500
(many right answers)
ex: