GeekDad Puzzle of the Week Solution – Modulo Fibonacci
Were you able to find the Fibonacci numbersthat have their position identified by the sum of their last few digits?
Continue ReadingWere you able to find the Fibonacci numbersthat have their position identified by the sum of their last few digits?
Continue ReadingMow many Fibonacci numbers have their position identified by the sum of their last few digits?
Continue ReadingHow many of the eight 85s and the eight 170s could you find in this binary number search?
Continue ReadingCan you find the eight 85s and the eight 170s in this binary number search?
Continue ReadingWere you able to find the numeric auction bidding signs that required a “bottom bar” to avoid possible bidding confusion?
Continue ReadingIf there are 650 different participating parties in an auction, each with their own consecutive number, how many numbers require a “bottom bar” below them to avoid possible bidding confusion?
Continue ReadingCan you find the largest and smallest value of the function listed with strips of digits pulled from the grid?
Continue ReadingIt’s time to celebrate a day that’s even nerdier than pi day.
Continue ReadingCan you find the largest and smallest value of the function listed with strips of digits pulled from the grid?
Continue ReadingThis past puzzle as previously posted: Crossword puzzles are fun, but they can be found in most any newspaper. CrossNumber puzzles are not only more fun, but are found almost exclusively here on GeekDad! Clues: Across 0. Bond 2. length of Marianas (km) 4. 1Z (Base 36) 6. Cr 8. PMs in Oman or Yemen […]
Continue ReadingWhat would it be like to live in a culture that had no way of representing numbers?
Continue ReadingDo you have the geek culture, math, pop culture, and history chops to solve our latest CrossNumber puzzle?
Continue ReadingWere you able to find the set of multiplicands of each digits size that make the largest and smallest palindromic product? Is the ThinkGeek prize yours?
Continue ReadingWhat are the largest palindromic products of the appropriate set of digit-sizes for each of three, four, and five-digit numbers?
Continue ReadingXKCD’s latest blog post showcases Dictionary of Numbers, a new tool that helps put large numbers in perspective.
Continue ReadingThe puzzle as presented: DrowSsorc? Is this another RA Salvatore reference, like Arach-Tinilith? No, it’s actually just the word “crossword” as in “crossword puzzle,” backwards. Technically, this week’s GeekDad Puzzle of the Week is more of a cross-number puzzle, but …
Continue ReadingDrowSsorc? Is this another RA Salvatore reference, like Arach-Tinilith? No, it’s actually just the word “crossword” as in “crossword puzzle,” backwards. Technically, this week’s GeekDad Puzzle of the Week is more of a cross-number puzzle, but then I won’t …
Continue ReadingCounting only on fingers, the four of us at dinner can count from 00,000,000 to 55,555,555 using only single digits from 0-5. In this counting scheme, how many prime numbers do we encounter?
Continue ReadingCongratulations to everyone that sent in a correct response for this past’ Mondays Geekdad Puzzle of the Week, “Carets and Vees.” Here is the puzzle as presented:
For your shot at this week’s $50 ThinkGeek gift certificate, send in the …
Walking Max through some larger numbers, he noticed a few patterns: some numbers increase from digit to digit (such as 1346) and some decrease from digit to digit (such as 9731.) We also noticed that some numbers head …
Continue ReadingOh, humans, how we do like patterns in numbers. There’s even a word for it–apophenia, the hunt for meaning in meaningless data. Including today, there are only two days left in our lifetimes you’ll have to survive your Facebook friends marvelling at the wonder that is noting the time of 02:02:02 on 02-02-02 or 07:07:07 […]
Continue ReadingDid you count thirteen petals on the Black-Eyed-Susan? It’s fun for kids to count petals on blooming flowers “springing” out of the ground. It’s also a lesson in higher math. Last week I attended the NSTA Conference in San Francisco where I met Sarah C. Campbell, author of the picture book Growing Patterns. Sarah presented […]
Continue ReadingMontessorium brings the Montessori Method of learning to the iPhone and iPad. In case you’re not familiar with it, the Montessori Method is a more child-directed approach to learning that focuses on different sensory experiences. In keeping with that, both …
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