Cross Your Heart Addition
Here is an amazing math feat YOU can perform. Since this is February, we have added a little Valentines Theme. Check out this lightning addition trick.
After you’ve had a chance to view the trick, find out how it’s done!
Similar Posts
Can you add 3 lines to make 5 triangles?
6 toothpicks form this equilateral triangle. Can you add 3 more to make 5 equilateral triangles?
Can You Make a Square by Moving Just ONE Crayon?
It’s back to school time, so a challenge using crayons or pencils seems appropriate. Is it really possible to form a square by moving just ONE crayon?
What’s Unusual about This Number?
1961. Do you know what is unusual about this number?
Can You Arrange Five 6’s so They Equal 19?
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?
Product = Sum? You Must be Kidding!
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?
Learn Magic: A Card Trick for Earth Day
Want to learn a fun card trick? In honor of Earth Day, here is an entertaining card trick you can do involving our earthy friend, Hyrum the Flea!