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Joined: Oct 2006
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learn
 
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Joined: Oct 2006
Posts: 806
Senior Member
Open Number Line
Old 09-27-2019, 08:47 AM
 
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Hello PT,
Trying to teach 6 + _______=20 Using an open number line to find the answer. But my kids are having trouble with this. Aside from the usual of making the lines on it...and subtracting from the 20, is there another easier way of teaching this?


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