Category: Kids (middle school and up)

OEIS Triangle to Square Sep 2022

• khoitsma
• Kids (middle school and up), Mathematics
• 0 Comments

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How Bermuda was Made Sep 2022

• khoitsma
• General, Kids (middle school and up)
• 0 Comments

Just a glimpse of how and when

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Thwaites Glacier Sep 2022

• khoitsma
• General, Kids (middle school and up)
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Research into the glacier’s retreat

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The Analog Clock Jul 2022

• khoitsma
• General, Kids (middle school and up), Mathematics
• 0 Comments

25 or 6 to 4
– Robert Lamm, Chicago

Haven’t we all looked at the clock face and wondered about the magical times where the hands cross?

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Best of Seven Jul 2022

• khoitsma
• General, Kids (middle school and up), Probability/Statistics
• 0 Comments

The question here is, what is the likelihood of each possible playoff outcome?

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On Average Jun 2022

• khoitsma
• Kids (middle school and up), Mathematics, Mental Math
• 0 Comments

Most everyone in math knows these tricks — here’s a summary of techniques used to make quick mental calculations of averages.

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