I think the concept of placement value is so important for other math functions. Arithmetic Village explains placement value with treasure chests (100) sacks (10) and jewels(1). They have some practice sheets over there too. http://www.arithmeticvillage.com/
I think the concept of placement value is so important for other math functions. Arithmetic Village explains placement value with treasure chests (100) sacks (10) and jewels(1). They have some practice sheets over there too. http://www.arithmeticvillage.com/
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