It’s about that time of year when 2nd grade students begin to delve into subtraction with regrouping. Right off the bat, I want to mention that the standard algorithm is NOT a part of the second grade standards! That being said, so many of the programs that we use expect
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In my math room there is one question, far and away, that I ask more often than any other. I’m not talking about a question or prompt such as “Could you show that to me in another way?” or “Why do you think that works?” those questions could be used
For some first grade students, adding and subtracting ten to a given number comes naturally. They know that 23 has 2 tens and 3 ones so, naturally adding another ten gives the answer of 33! For other students, this skill isn’t so intuitive. You may have taught the skill using
Last summer, along with a few other math bloggers, I did a book study on the book Teaching Student Centered Mathematics By John Van de Walle, LouAnn Lovin, Karen Karp, and Jennifer Bay-Williams. Chapter 8 revolved around developing number sense and outlined a series of important number relationships. One of
If you are not using a Rekenrek in your classroom you NEED to go and purchase one or make one ASAP. It is such an excellent tool when it comes to building number sense and fact fluency with your students. Currently, my students are working on their understanding of the
Multiple times each week I find a post on Facebook condemning the Common Core because it is unfair for teachers, our students are being turned into robots, and the math strategies are ridiculous, unrealistic, useless in the “real world”, ruining young minds, etc. I want to unravel what is at
A few months ago, I wrote a post on using place value strategies to add two 2-digit numbers. If you remember, students were decomposing numbers into tens and ones and combining like units. By using base ten blocks, students were able to easily make the connection between the digits in
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