Dedicated to Math Teachers Discussions of the what, the why and the how of math instruction from Birth to Infinity
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#### Regular price discounted 10%, then sale price increases 10%, then that price is discounted 10% and finally latest price is increased by 10%. What’s the ‘overall ’ % discount?
Suppose you're a 2-dimensional object trapped inside of a square and a creature tells you the only way you can get out is to solve the following problem…
When students are asked a question in a new language (including a computer language), the natural tendency is to translate to their native language, answer the question and then translate back. It is the same when working with other bases i...
1. Do the calculation using base-3 computation. [For example in base-3, 2+2=11. Why?]
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The writers behind this newsletter.
Retired math educator; Math supervisor, math consultant; writer of math problems that develop critical thinking for over 50 years. Here you will see my thoughts on math education, pedagogy in particular. SUBSCRIBE FOR FREE!
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