   Poor Robert! Math was a nightmare for him - until the Number Devil popped into his dreams and showed him a whole new way to understand math concepts. Over the course of 10 amazing nights, the witty Number Devil helps Robert discover the tricks and wonders of numbers by magically transforming unfamiliar or difficult math concepts into a dynamic learning experience.
Join Robert and and learn to play the Number Devil way, where some numbers "hop," prime numbers are "prima donnas," and roots are "rutabagas!" Who knew math could be so devilishly fun?
Features:
- Captivating story sheds new light on middle-school math concepts.
- Discover prime numbers; explore Fibonacci numbers.
- Learn about powers and square roots.
- Glossary with mathematicians, terms, and concepts.
- 11 challenging games for extra fun.
The 1st night:
· The number "1"
· Indefinitely many of ordinary numbers
· Indefinitely many small and ever smaller numbers between 0 and 1
· The "1" is the "mother of all numbers"
· Game: Closing in on a number
The 2nd night:
· The meaning and importance of Zero
· The hopping numbers (Powers, Squared)
· Digits - the significance of the position
· Game: Roman numerals
The 3rd night:
· Divide without a rest
· Prima Donnas (Primes)
· Prime numbers up to 50
· XXL Prima Donnas (large primes)
· Tricks with prima donnas
· Game: Recognizing primes
The 4th night:
· Fractions / Decimal fractions
· Number snakes (numerical series) between 0 - 1 and 1 - 3
· Number Snakes (numerical series)
· Unreasonable numbers (irrational number)
· Rutabagas (Square roots)
· Game: Roots and square numbers
The 5th night:
· Triangular number
· Any number consists of a maximum 3 triangular numbers
· Squared numbers are made of two triangular numbers
· Another trick: Get the 12th triangular number by adding
· Square Numbers (Squared)
· Game: Loading triangular piles of coconuts
The 6th night:
· Bonacci-Numbers (Fibonacci-Numbers)
· Bonacci- Numbers in nature
The 7th night:
· Pascal's Triangle
· Playing with Pascal's Triangle
· Patterns in Pascal's Triangle
· Game: Pharaoh's Secret
The 8th night:
· Combinatorics with two variables
· Combinatorics with several variables
· Combinatorics with 2/3/4/11 variables, groups of two
· Combinatorics with 3/4/5 variables, groups of three
· Combinatorics and Pascal's Triangle
The 9th night:
· Number series and infinity
· Naming number series (serial typology)
· Various number series
· Game: The "unbreakable" arrow (infinitely small numbers)
The 10th night:
· The irrational number 1,618033989 (The Golden Section)
· Pentagon
· Euler's formula (planes, knots and lines)
· Game: Catching Euler Bodies
This game is available on Amazon.
  
Reviews:
CommonSenseMedia.com by Jinny Gudmundsen If you have a kid who thinks math is boring, The Number Devil, a new software adventure, may be just the ticket.
This software presents a mathematical adventure that explores sometimes-challenging concepts such as infinite numbers, prime numbers, fractions, decimals, powers and square roots. It introduces kids to mathematical oddities including triangular numbers, Fibonacci Numbers, Pascal's Triangle, and Euler's formula. Read the rest of this review...
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