2. Rounding Whole Numbers Rounding Decimals Whole Number Estimation Decimal Estimation * Click the star on the desired box first and then click the box itself.

3. CATEGORY 1 QUESTION 1 Round to the nearest ten 347

4. CATEGORY 1 ANSWER 1 Round to the Nearest Ten 350

5. CATEGORY 1 QUESTION 2 Round to the Nearest Hundred 1,245

6. CATEGORY 1 ANSWER 2 Round to the Nearest Hundred 1,200

7. CATEGORY 1 QUESTION 3 Round to the Nearest Thousand 23,089

8. CATEGORY 1 ANSWER 3 Round to the Nearest Thousand 23,000

9. CATEGORY 1 QUESTION 4 Round to the nearest Hundred Thousand 56,000

10. CATEGORY 1 ANSWER 4 Round to the Nearest Hundred Thousand 100,000

11. CATEGORY 1 QUESTION 5 Round to the Nearest Million 623,980,314

12. CATEGORY 1 ANSWER 5 Convert Expanded Notation to Standard Form 624,000,000

13. CATEGORY 2 QUESTION 1 Round to the Nearest Ten 567.2

14. CATEGORY 2 ANSWER 1 Round to the Nearest Ten 570

15. CATEGORY 2 QUESTION 2 Round to the Nearest One 43.9

16. CATEGORY 2 ANSWER 2 Round to the Nearest One 44

17. CATEGORY 2 QUESTION 3 Round to the Nearest Tenth 245.74

18. CATEGORY 2 ANSWER 3 Round to the Nearest Tenth 245.7

19. CATEGORY 2 QUESTION 4 Round to the Nearest Hundredth. 1,239.367

20. CATEGORY 2 ANSWER 4 Round to the Nearest Hundredth 1,239.37

21. CATEGORY 2 QUESTION 5 Round to the Nearest Tenth 78.04

22. CATEGORY 2 ANSWER 5 Round to the Nearest Tenth 78

23. CATEGORY 3 QUESTION 1 Estimate the Sum 47 + 36

24. CATEGORY 3 ANSWER 1 Estimate the Sum 90

25. CATEGORY 3 QUESTION 2 Estimate the Difference 693-415

26. CATEGORY 3 ANSWER 2 Estimate the Difference 300

27. CATEGORY 3 QUESTION 3 Estimate the Product 49 x 48

28. CATEGORY 3 ANSWER 3 Estimate the Product 2,500

29. CATEGORY 3 QUESTION 4 Estimate the Quotient 31 ÷ 11

30. CATEGORY 3 ANSWER 4 Estimate the Quotient 3

31. CATEGORY 3 QUESTION 5 Sarah makes $34 a day babysitting the neighbor’s kid. Estimate how much money she will make in five days.

32. CATEGORY 3 ANSWER 5 $150

33. CATEGORY 4 QUESTION 1 Estimate the Sum 4.9 + 2.3

34. CATEGORY 4 ANSWER 1 Estimate the Sum 8

35. CATEGORY 4 QUESTION 2 Estimate the Difference 67.9-3.1

36. CATEGORY 4 ANSWER 2 Estimate the Difference 65

37. CATEGORY 4 QUESTION 3 Estimate the Product 49.9 x 1.8

38. CATEGORY 4 ANSWER 3 100

39. CATEGORY 4 QUESTION 4 Estimate the Quotient 64.2 ÷ 2.3

40. CATEGORY 4 ANSWER 4 Estimate the Quotient 32

41. CATEGORY 4 QUESTION 5 If Millie studies for 3.4 hours a day. How many hours will she have studied in 32 days?

42. CATEGORY 4 ANSWER 5 90 hours