Factor Dazzle

Resources and Tools for Elementary Math Specialists and Teachers

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This interactive online game helps students develop fluency with identifying factors while fostering strategic thinking. A student can play against the computer or against a friend on a 6 by 6 grid containing the numbers 1-36. Each player in turn chooses a number from the board, and then the opponent claims all of its remaining proper factors. A player's score is the sum of all the numbers and factors she/he has chosen. When there are no numbers remaining with unclaimed factors, the game ends and the player with the greater total is the winner. This game is part of NCTM's Calculation Nation project (cataloged separately). Users may login as a guest and play against the computer, or register (free) to challenge other players online.

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Contributed by: National Council of Teachers of Mathematics, Publisher

Math TopicNumber Sense, Basic Operations, Mathematical Practices, Mathematical Processes

Grade Level3, 4, 5, 6+

Resource TypeActivity, Game, Interactive Media

Additional Information
- AudienceLearner
- LanguageEnglish (USA)
- Education Topic
- Interdisciplinary Connection
- Professional DevelopmentNo
- ContributorNational Council of Teachers of Mathematics, Publisher
- Publication Date2011
- RightsCopyright (c) 2011 National Council of Teacher of Mathematics
  http://calculationnation.nctm.org/PrivacyPolicyAndTermsOfUse.aspx
- AccessFree access, Free access with registration
Standards
- Common Core State Standards for Mathematics
  Select a standards document:
- Standards for Mathematical Practice[K-12]
- Make sense of problems and persevere in solving them.[K-12]
- Reason abstractly and quantitatively.[K-12]
- Look for and express regularity in repeated reasoning.[K-12]
- Operations and Algebraic Thinking[K - 5]
- Understand properties of multiplication and the relationship between multiplication and division.[3]
- 6. Understand division as an unknown-factor problem. For example, find 32 ÷ 8 by finding the number that makes 32 when multiplied by 8.[3]
- Multiply and divide within 100.[3]
- 7. Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.[3]
- Gain familiarity with factors and multiples.[4]
- 4. Find all factor pairs for a whole number in the range 1—100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1—100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1—100 is prime or composite.[4]
Related Resources
- Factor Game

Mathlanding is a project of Maryland Public Television in partnership with The Math Forum at Drexel University
and the International Society for Technology in Education. © 2012 Maryland Public Television

Factor Dazzle

Common Core State Standards for Mathematics