More about algorithms: Be sure to teach them in Guided Math Groups

Posted on August 25, 2011. Filed under: Assessment, Common Core, During the Guided Math Lesson, Elementary math, Guided math, Math is a Language | Tags: , , , , , , , , |

Here is a variety of great resources that show different addition and subtraction algorithms.

Resource 1

Resource 2

Resource 3

Resource 4

Be sure to encourage math talk.  It is not enough just to have students doing it different ways.  They should be explaining their ways to each other.  The first mathematical practice from the New Math Common Core states that:

Mathematically proficient students check their answers to problems using a different method, and they continually ask themselves, “Does this make sense?” They can understand the approaches of others to solving complex problems and identify correspondences between different approaches.

How are we making sure that this happens in our classroom?  What kind of culture of “talk” are we fostering? What are we doing well and what can we do better?



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One Response to “More about algorithms: Be sure to teach them in Guided Math Groups”

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Teachers need this information about algorithms because they need to know the possible ways their students will solve various problems with operations. It will be helpful when trying to diagnose misconceptions about place value. ( or any concept) While encouraging math talk, teachers should plan for the types of questions that lead to deeper understanding. This is done best in a small group. Figuring out when to ask certain questions is like an art form. Do you know any resources which might help teachers with this? Thanks for more fabulous math resources.

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