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Math Riddles Make Math Fun
Why use math riddles? Because sometimes math may be boring and at times difficult to understand. And since everyone enjoys a good joke or riddle at times, they're great for sparking math interest and Kids love'em! NEW What is the largest number you can get from using just two digits? Hint: It's not 99. Answer: I will agree that 99 is the largest two digit number. But this is a math riddle so it's not that easy. The answer is 9 raised to the 9th power. Wow, now that's a huge number! NEW Video Math Brain Teaser: Here's a video math brain teaser that you can try at home on your friends and family. All you need are a few tooth picks to get started. How can you add eight 8's to get the number 1,000? (only use addition) Answer: The key is to this riddle is realizing that the ones place must be zero. 888 +88 +8 +8 +8 =1,000 
Answer: One of the fathers was also a grandfather. So there was the grandfather, his son who was also a father, and the grandson. Therefore the two fathers were the grandfather and his son. And the two sons were the grandfather's son and his grandson. So there was a total of just three people. What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000? Answer: 100. If you work it backwards it's easier to think about. |