rounding numbers to the thousands lesson 4. how did you estimate the answer? estimate jar
TRANSCRIPT
Rounding Numbers to the Thousands
LESSON 4
How did you estimate the answer?
ESTIMATE JAR
Rounded numbers are not exact.Rounded numbers tell us about how many or how
much.Why use them if they aren’t exact?When would you use them?
REVIEW
30
40
NUMBER LINE
To the greatest place value(Don’t forget your zeros!)
ROUND YOUR ESTIMATES
4,000
5,000
4,499; 4,750; 4,111
1. 3,1392. 4,6023. 8,5474. 6,291
PLACE VALUE CHART IIROUND TO THE THOUSANDS
4,6028,347291
ROUND TO THE GREATEST PLACE
50,000
55,000
60,000
50,000
55,000
60,000
53,690; 55,555; 59,300
Round to the nearest dollar $4.47 $6.80 $3.95
Round to the nearest ten dollars $16.35 $33.50 $85.00
MONEY
Page 10 in textbookComplete Practice on page 11 in your groupsRead the directions aloud
CLASSWORK
Estimate the number of students at The Rock Christian Academy. About 140
Round the estimate to the greatest place value 140 Underline the place value Look to the right Less than 5 100
Homework Finish Practice on Page 11 at home if you didn’t complete it
in class.
CONCLUSION