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 Dots in a Square from Math Without Words February 10, 2017
 Conservation of fingers and toes February 8, 2017
 Lots of fun with Tiny Polka Dot January 28, 2017
 Avoid Hard Work! – A book for problemsolvers of all levels (toddler to mathematician) January 11, 2017
 Functions in Kindergarten – A favorite January 6, 2017
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Tag Archives: place value
Drawing stars and triangles
Last week we did several really fun activities from the book A Collection of Math Lessons, A: Grades 13 by Marilyn Burns and Bonnie Tank. Here is an account of one of them. The activity was “How many stars can … Continue reading
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Tagged 6 years old, 7 years old, drawing, fun math, Main Line Classical Academy, place value, second grade
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Sixtyeleven
You probably knew that sixtyseven plus four equals sixtyeleven, but for Katie and Varya this was a source of great surprise and amusement during today’s lesson. We were continuing with adding twodigit numbers, but this time I decided to make … Continue reading
The Value of Place Value
Katie has been able to count until 100 for a while and now may even be able to get up to 1000. However, I realized that she doesn’t actually understand the decimal system and place value (i.e. why are two, … Continue reading