Reflection: Writing Across the Disciplines Powers of Ten: Review and Practice and Writing Clear Explanations - Section 3: I want you to write an explanation about powers of ten, like this!


I noticed that my more advanced writing students were really engaged and not as anxious about writing about math this time. I think what happened was that in this process, true understanding for the more skilled writers clicked in gear. They have mastered the other work in writing in math easily.  I think now they understand what I am talking about when I am referring to the power of ten and it happened through showing them how to write about it. These students are usually caught up in "let's just get the answers done!" because process comes so easily for them.

The value of writing in mathematics is clear: it really advances student thinking. Common Core is very clear in the writing standards that students need to write across the curriculum. They seemed to enjoy it and I think it helped that I was so precise about what I wanted them to write. It was spoon-feeding them a little bit, but I expect to see lesser things on their assignment. They simply aren't used to it. Maybe I will be surprised. As I have seen in the past, the effort to be so thorough in conceptual work pays off.



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Powers of Ten: Review and Practice and Writing Clear Explanations

Unit 13: Multiplication Unit
Lesson 12 of 19

Objective: SWBAT write a clear explanation of the process of accurately finding powers of ten in a standard algorithm while demonstrating their knowledge of place value.

Big Idea: Students will review powers of ten and learn to write clearly about the process after they identify the wrong answers from three given algorithms.

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Math, Number Sense and Operations, powers of ten, multiplication of 10s
  45 minutes
writing an explanation about powers of
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