great video. I find that when symbols are used for number placement as in Arithmetic Village with jewels, sacks and treasure chests, borrowing is better understood. (sometimes you might need to open a sack of ten jewels to subtract...) for a more detailed explanation go to http://www.arithmeticvillage.com/books/linus-minus/linus-activities/
great video. I find that when symbols are used for number placement as in Arithmetic Village with jewels, sacks and treasure chests, borrowing is better understood. (sometimes you might need to open a sack of ten jewels to subtract...) for a more detailed explanation go to http://www.arithmeticvillage.com/books/linus-minus/linus-activities/
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