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…
I have a problem. I have 4 rows of 3 stamps, as you see in the picture. However, my stamp album only has room for 3 rows of 4 stamps. Life is challenging at times, isn’t it! Can you make 1 continuous tear along the perforations so theses stamps will fit in the album?
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?
Back in school, you’ll drop some jaws with this one!
This one is trickier than you think!
Can you make 1 coin equal $1? Can you make 2 coins equal $1? 3 coins? 4? Etc. up to 10 coins equaling $1?
Amoebas are small organisms that reproduce rapidly. They double every minute. In 1 hour they filled half a bottle. How long will it take to fill the whole bottle?
Vanish a raft in this map of the Bermuda Triangle!
You can combine the 9’s however you wish, and use whatever arithmetic symbols you’d like–+, -, x, /. Any ideas?
You can put the 6’s together however you’d like. And you can use whatever arithmetic symbols you want: +, -, x, or /. Tough one, eh?
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