Resources and Tools for Elementary Math Specialists and Teachers
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Number Puzzles

This interactive applet contains four puzzles which develop fluency with addition facts and foster logical reasoning. Each puzzle provides a shape with blanks along its sides and diagonals. The user must fill in the blanks with the numbers provided to reach the same target sum along each side/diagonal.
4
(1 Comments)
Contributed by: National Library of Virtual Manipulatives, Publisher
Math TopicNumber Sense, Basic Operations, Number Concepts, Algebraic Thinking, Mathematical Practices, Mathematical Processes
Grade Level1, 2, 3, 4, 5
Resource TypeActivity, Game, Interactive Media

  • Additional Information
    • AudienceLearner
    • LanguageEnglish (USA)
    • Education Topic
    • Interdisciplinary Connection
    • Professional DevelopmentNo
    • ContributorNational Library of Virtual Manipulatives, Publisher
    • Publication Date1999
    • Rights(c) 1999-2010 Utah State University
      http://nlvm.usu.edu/en/nav/copyright.html
    • AccessAvailable for purchase, Free access
  • Standards
    • Common Core State Standards for Mathematics

      Select a standards document:

  • User Comments
    • 4
      Four puzzles
      By Uncle Bob on 03/02/2013 - 16:02
    • The applet works well and provides lots of mental math work. Four different puzzles or target numbers provide variety.