Tag Archives: 5th grade

Logical Fun, Part II

Here is the long overdue follow-up post to Logical Fun, Part I. The previous post left off with the following logic problem being posed to the students: A man is looking at a portrait.  A passerby asks him whose picture … Continue reading

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Logical Fun, Part I

Once a week, I teach a joint math class at my school which combines children of ages 6-10.  For these lessons, I generally try to pick an activity that I can present as a series of “problems” of increasing difficulty … Continue reading

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Just how many prime numbers are there?

Over the past few months, my 4th and 5th graders had a number of opportunities to explore prime numbers and factoring – they drew factor trees, discovered divisibility rules, played Prime Climb, and more.  Last Sunday, I decided that they … Continue reading

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