Inaba Number Staircase - 42 Sequences Puzzles
A fun way to revise sequences, these puzzles also develop student's problem solving skills. Try printing them as a booklet and running it as a competition lesson to see who can solve the most, alternatively use some of them as a starter task on the subject.

Add support by giving students extra clues on each diagram, or add challenge by asking students to create their own puzzle.

This resource has PDF and Word versions of the puzzles and a Powerpoint with instructions, example and the answers (click the question to reveal the answer).

This is an English translation of Naoki Inaba's Suji no Kaidan Puzzles. Free PDFs of the original untranslated puzzles are also available directly from Naoki Inaba's website:

Please rate and review this resource if you found it useful so that others will see it. Check out the other Inaba puzzles by searching my other resources.


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  • Inaba-Number-Staircase---Presentation---Answers.pptx
  • Inaba-Number-Staircase---Questions.docx
  • Inaba-Number-Staircase---Questions.pdf

About this resource


Created: Apr 17, 2017

Updated: Sep 27, 2018


pptx, 3 MB



docx, 63 KB



pdf, 76 KB


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Creative Commons "Sharealike"

Creative Commons "Sharealike"