1. ROUNDING NUMBERS

2. RULES For Rounding Off Numbers (Round the following numbers to three sig fig). If the two digits are greater than 50, let it soar. 2.54 2.5250 2.52 2.5349 If the two digits are 50, then: even…. leave it odd….round up Even….leave it 2.53 If the two digits are less than 50, let it rest. 2.53 2.532 2.5351 2.542.5389 2.5350 2.54 Odd….round up

3. 81.889(three) 81.9 Example:

4. 65.824(three) 65.8 Example:

5. 843 (two) 84 840 Example:

6. 3,381 (two) 34 3,400 Example:

7. 48 (one) 50 Example:

8. 0.005026(three) 0.00503 Example:

9. 5.7849(three) 5.78 Example:

10. 5.7858 (three) 5.79 Example:

11. 5.7850 (three) 5.78 Example:

12. 5.7350 (three) 5.74 Example:

13. WHITEBOARD PRACTICE

14. 889 (one) 900 Practice:

15. 485 (two) 480 Practice:

16. 19.848(three) 19.8 Practice:

17. 35.624(two) 36 Practice:

18. 88 (one) 90 Practice:

19. 7,751 (two) 7,800 Practice:

20. 85 (one) 80 Practice:

21. 0.007335(three) 0.00734 Practice:

22. 0.00008850(one) 0.00009 Practice:

23. 0.000045098 (one) 0.00004 Practice:

24. 0.000045258 (one) 0.00005 Practice:

25. 75,091 (one) 80,000 Practice: