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 1-3  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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Sixty-eleven

You probably knew that sixty-seven plus four equals sixty-eleven, but for Katie and Varya this was a source of great surprise and amusement during today’s lesson.  We were continuing with adding two-digit numbers, but this time I decided to make … Continue reading

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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

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