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Whenever a student is trying to make sense of a problem I like to ask, “Can you make a picture of it?”  Using a tape diagram for math can help children model lots of different problems using different...

Number lines help children build mathematical meaning. Seeing the numbers arranged in order and then hoping up and down the number line helps children develop a better understanding of number relat...

In second grade students are learning to add within 1000 using strategies based on place value.  (CCSS.MATH.CONTENT.2.NBT.B.7).  So what does that mean to use a strategy based on place value?  One str...