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 How Many? – A book and a math adventure July 27, 2018
 Naming Numbers at Bedtime April 16, 2018
 Main Line Math Festival on April 22 March 18, 2018
 Funville Adventures is on a Web Tour! February 19, 2018
 Secret 3digit numbers January 28, 2018
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 Musings of a Mathematical Mom
 ШКОЛЬНЫЙ БЛОГ: Русская Школа "Золотой Ключик" в Филадельфии SCHOOL BLOG Golden Key Russian School in Philadelphia
Tag Archives: philosophical
First of many?
When I first told Katie (6 y/o) that I signed her up for the Math Kangaroo competition, she got very excited and immediately started bombarding me with questions. Will I win? What if I don’t win? What if I can’t solve … Continue reading
Posted in Uncategorized
Tagged 6 years old, contest math, fun math, philosophical, problem solving
8 Comments
Facing the impossible
Two weeks ago in class we followed up our previous lesson on parity with some logic puzzles. The middle groups (ages 67) were faced with the following task. They were each given 5 cups, facing down. Their challenge was to … Continue reading
Posted in Uncategorized
Tagged class, Golden Key Russian School, logic, odd numbers, parity, philosophical
3 Comments
Slow and steady wins the race
This story begins with Katie trying to solve the following problem: In 36 years, my grandmother will be 100. How old is my grandmother now? I am sure that it didn’t take you very long to solve this problem in … Continue reading
Posted in Uncategorized
Tagged 6 years old, addition, arithmetic, philosophical, subtraction, word problems
6 Comments
What is Math?
Yesterday was my first day this academic year of teaching math at the Golden Key Russian School. We have four groups with kids’ ages ranging from 4 to 9 years old. I started off all the classes by asking the … Continue reading
The Joys of Puddles
This evening I went on a walk with Zoe. We were walking along a secluded path, far away from any cars, so I let her run a little bit ahead of me. Suddenly Zoe comes to a stop and I … Continue reading
To win or not to win?
I am sure that almost every parent has faced this dilemma when introducing a strategy game to their kids: in those first few critical games, how often should I win and how often should I give in? On one hand … Continue reading
Onetoone correspondence – Not always obvious to kids!
There are some very hard problems in combinatorics that involve showing that there is a bijection (onetoone correspondence) between two set of objects, thus showing that the two sets have the same number of elements. On the other hand, we … Continue reading