Practice 1
•http://www.mathbuddyonline.com/lessons/flash/GameFrame.php?frame=GameFrame&path=/lessons/math/numbers/introduction/level4/&fileLink=m4h5c1t1p6.html&sampleFlag=1
Practice 2
•http://www.321know.com/plc31ax2.htm#section2
Practice 3
•http://www.hbschool.com/activity/elab2004/gr4/1.html
Practice 4
http://www.mrnussbaum.com/placevaluepirates1.htm
Practice 5
http://www.numbernut.com/advanced/activities/decimal_4bar_1000th.shtml
Quiz time
http://www.softschools.com/quizzes/math/decimals_place_value/quiz3269.html
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