More extra work :)

http://www.superteacherworksheets.com/rounding/rounding-nearest-ten-b.pdf
http://www.superteacherworksheets.com/paper/hundredschart2-partialfillin.pdf
http://www.worksheetgenius.com/html/your_worksheet.php?worksheet=Division&WorksheetTitle=Dividing+by+3&QuestionCount=30&RangeLower=3&RangeUpper=36&SecondRangeLower=3&SecondRangeUpper=3&Layout=Horizontal&NoRemainder=true