Half of 8 is…3?
Half of 8 is 3, you claim. And you can prove it! Do you know how?
Draw an “8”. Draw a vertical line dividing the 8 in half. The right half of a figure 8 is a “3”!
Half of 8 is 3, you claim. And you can prove it! Do you know how?
Draw an “8”. Draw a vertical line dividing the 8 in half. The right half of a figure 8 is a “3”!
What is the only 2-digit number where the product of its digits equals the sum of its digits? E.g. could it be 37? 3×7=21. 3+7=10. These don’t match, so it’s not 37. What is it then?
You must be joking! No, we’re not. If the pencil moves across the paper, it must make a mark. Hint: This may entail some out of the box thinking!
Challenge: Can you write “100” without the pen leaving the paper? No marks should be visible connecting the numbers. And the pen must make a mark whenever it moves across the paper. Impossible? Or can it be done?
There’s one number that equals something multiplied by itself, and something else cubed. Any idea what that special number is?
March is Pi Day. Here’s a fun math trick to amaze your friends! Ready to learn to perform this? Remember: Please don’t reveal the secret! Download your Lost at Sea Sheet. Two versions are enclosed: one with smaller numbers, and a challenge version with larger ones. This trick uses a magic square. Although there are…
1961. Do you know what is unusual about this number?
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