Tag Archives: Problem Solving

Revisiting a Childhood Addition Code with Sketchpad

As a fourth-grader in 1977, I had a love-hate relationship with my Addison-Wesley textbook. Its contents overflowed with arithmetic problems, but every so often an entertaining brainteaser appeared to break the monotony of drill practice. These puzzles were clearly marked: … Continue reading

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Taking Ownership of Mathematical Ideas

http://www.youtube.com/watch?v=us2RPA1QehQ&w=420&h=315]

Of the many reasons that I chose to major in mathematics, perhaps the most compelling to me was this: Mathematics is beautiful. Yes, mathematics could be practical, but it was the sheer beauty of its proofs that left me awestruck. … Continue reading

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Exponential Harmony with Sketchpad

Last week was the fourth session of my spring Advanced Secondary Math Methods class at the University of Pennsylvania. Each year I assign a semester project in which groups of three students use lesson-study techniques—on a small scale—to create, test, … Continue reading

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Beat a Path to the Museum of Math

http://www.youtube.com/watch?v=jK7xPo1YXzY”>video

As a New Yorker, I have no lack of museums to suit my every viewing whim. Matisse? Just head to the Metropolitan. Edvard Munch? The Scream is at the Museum of Modern Art. But where should I go when I’m … Continue reading

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Sketchpad––Yes, It Can!

Last week I ended my fall math conference touring schedule.  It’s been a fun-filled road trip—in the span of two months I’ve been to all three NCTM regionals in Dallas, TX, Hartford, CT, and Chicago, IL, not to mention AMTNYS … Continue reading

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Understanding Proportional Relationships with the Proximity Data Game

In the Fall as Middle School and Algebra 1 teachers look for activities to develop students’ understandings of proportional relationships, they may turn to measuring scale diagrams or using springs. One of KCP Technologies’ new online Data Games called Proximity … Continue reading

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Edtech Tools are NOT Just for Students

I wanted to share a couple experiences I had in the last two weeks that have reminded me that even adults can benefit from dynamic mathematics software that we typically only associate with students learning math. My experiences relate to … Continue reading

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“Figuring It Out” Is Where the Learning Happens

I often get asked the question when doing webinars, workshops, or professional development training, “is there a quick way to do that” with Sketchpad, TinkerPlots or Fathom? For example, last week we had a webinar on functions, and the question … Continue reading

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Cross-Curricular Teaching of Data and Probability

We here at Key really love our TinkerPlots software. And we’re always talking about the power of using it cross-curricularly—using data to enhance understanding of, say, science or social science topics, as well as using these contexts to motivate the … Continue reading

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Breathing New Life Into Sets

http://www.youtube.com/watch?v=f3wxr6oDz_I&w=420&h=315]

Ms. Walter, my junior high math teacher, sure knew how to get my attention on the first day of class. She told us we would be studying all about sex. Well no, let me restate:  She said we’d learn about … Continue reading

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