Solving 16 x 25 Without Paper and Pencil

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Happy Monday – It’s hard to believe that there are only 3 more Mondays left (after today) until summer vacation begins!
In my last post, I discussed the plan to bring Abacus Math into Kindergarten and 1st Grade. Introducing the abacus at this grade level develops and strengthens a student’s understanding of place value and number sense through the visualization of number problems and the application of mental math strategies.  Mental Math is part of the Posnack curriculum and as such, an important part of the daily classroom routine. I recently came across an article published by the NCTM regarding the use of “Number Talks” as an efficient and accurate method to encourage students’ use of mental math. Students work together as partners or in small groups to discuss various problem-solving strategies and share their thinking process. What is the goal of a “Number Talk?” The goal is to enable our students to find effective and efficient methods to understand the relationships between numbers, while focusing on the process, not the solution.

Although the school year is coming to an end, this is a perfect time to introduce “Number Talks” to your classroom. Let’s encourage our students to use the mathematical knowledge they have gained this year to explore ways of solving and explaining problems without the use of paper and pencil. I will share this article with you on Google Docs. Take a few minutes to read it and see how you can incorporate this approach in your classroom. I’m anxious to hear your thoughts – please feel free to add your comments and share your “Number Talks” ideas with your colleagues.

 

 

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