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Odd Man Out

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    The Actuarial Foundation

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Odd Man Out

In this math game (Page 14 of the Are You Game? PDF), learners determine the probability of getting an even versus an odd product using the numbers on a regular deck of cards. In the follow-up activities, learners prove by example why the even products are more likely to occur than the odd products.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
1 cent - $1 per group of students

Age Range:
Ages 8 - 14

Resource Types:
Activity, Game, Lesson/Lesson Plan


Materials List (per group of students)

  • One deck of cards (NOTE: remove all face cards; aces count as ones)
  • Game board
  • Game pieces
  • OPTIONAL: multiplication charts


  • Mathematics
    • Data Analysis and Probability
      • Probability
    • Number and Operations
      • Multiples and Factors
      • Operations
    • Problem Solving

Informal Categories

  • Games
  • Toys


To use this activity, learners need to:

  • see
  • read
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


Includes alignment to state and/or national standards

This resource is part of:

Access Rights:

  • Free access


  • Rimbey, M.Ed., NBCT (Math), Kimberly


  • All Rights Reserved, The Actuarial Foundation, ©2007

Funding Sources:

  • Ernst & Young
  • New York Life Foundation
  • Swiss Re
  • Towers Perrin


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