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From: andrea <firstname.lastname@example.org> To: Teacher2Teacher Public Discussion Date: 2005021822:10:26 Subject: Re: Usning calculators in the classromm Play 'wipe out' to show the value of zero (as a place holder) children types a number (eg. i type 462) in the calulator and asks their partner to get rid of the 6... and i have to return to zero in the tens place. the children learn to take 60 away rather than six (use as many digits as you wish).
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