ROUNDING NUMBERS

RULES For Rounding Off Numbers (Round the following numbers to three sig fig). If the two digits are greater than 50, let it soar 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 Odd….round up

81.889(three) 81.9 Example:

65.824(three) 65.8 Example:

843 (two) Example:

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

48 (one) 50 Example:

(three) Example:

5.7849(three) 5.78 Example:

(three) 5.79 Example:

(three) 5.78 Example:

(three) 5.74 Example:

WHITEBOARD PRACTICE

889 (one) 900 Practice:

485 (two) 480 Practice:

19.848(three) 19.8 Practice:

35.624(two) 36 Practice:

88 (one) 90 Practice:

7,751 (two) 7,800 Practice:

85 (one) 80 Practice:

(three) Practice:

(one) Practice:

(one) Practice:

(one) Practice:

75,091 (one) 80,000 Practice: