Ninedigits Workshop
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Ninedigits Workshop


Ninedigits Workshop

Logo for Ninedigits Workshop
The problem proposed by ninedigits is to reorder the numbers from 1 to 9 in a square of 3 * 3 to make the sum of the numbers of the first two rows equal to the bottom row.This program is aimed at reflecting on the addition. The goal is to find results that meet the primary condition. We must be aware that after obtaining a correct result can be achieved more easily results having in mind the properties of the sum.Ninedigits has 336 solutions. If the program could become be easy for some, then... More
Material Type: Quiz/Test
Technical Format: Javascript
Date Added to MERLOT: October 02, 2012
Date Modified in MERLOT: October 11, 2012
Submitter: Maurici Carbó
Keywords: adding carry numbers lady tower chess swap 336 solutions math toy, nummolt obbl


  • Reviewed by members of Editorial board for inclusion in MERLOT.
    Editor Review
    Very good quality; in queue to be peer reviewed
    avg: 5 rating
  • User Rating (not rated)
  • Comments (none)
  • Learning Exercises (none)
  • Personal Collections (none)
  • Accessibility Info (none)


Primary Audience: Grade School, Middle School, High School, College General Ed, College Lower Division, College Upper Division, Graduate School
Mobile Compatibility: Not specified at this time
Technical Requirements: MSFT Explorer > 8
Language: English
Cost Involved: no
Source Code Available: yes
Accessiblity Information Available: no
Creative Commons: unsure


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