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
What’s Unusual about This Number?
1961. Do you know what is unusual about this number?
What’s the Only 2-Digit Number that is Both a Cube and a Square?
There’s one number that equals something multiplied by itself, and something else cubed. Any idea what that special number is?
Amazing Amoebas
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?
A Fourth of July Magic Puzzle for You
In honor of July 4th, here is a puzzler for you. Our nation has had a lot of birthdays. When counting, what is the first number you come to that contains the letter “a”?
Half of 8 is…3?
Half of 8 is 3, you claim. And you can prove it! Do you know how?