Posted by Anonymous on Thursday, August 2, 2012 at 9:23pm.
Show the child a ruler. Point out the 12 inches. You might print this ruler.
http://image.tutorvista.com/content/feed/u2557/foot%20ruler.jpg
Count 3 inches and make a mark. Then count another 3 inches and make another mark. Count another 3 inches and maker another mark.
At this point the child should see that 12 inches has four groups of 3 inches each. Three of those groups equals 9 inches.
math
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