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Ten, Twenty, Thirty


Source Institutions

    Lawrence Hall of Science

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Ten, Twenty, Thirty

This game for one to four players uses a deck of cards to develop mental addition skills. Cards are turned over in a row, and when the sum of cards on the ends of the row is 10, 20, or 30, a player can take those cards (aces count 1, face cards count 10). The winner is the player with the most cards at the end. For the solitaire version, the player must end with more cards than are left on the table. Variations include making jokers wild, or aces worth 11.

Quick Guide


Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$1 - $5 per group of students

Age Range:
Ages 11 - 14

Resource Types:
Activity, Game

Language:
English

Materials List (per group of students)


  • deck of cards excluding the jokers

Subjects


  • Mathematics
    • Number and Operations
      • Number Systems
      • Operations

Informal Categories


  • Games

Audience


To use this activity, learners need to:

  • see
  • touch

Other


This resource is part of:

Access Rights:

  • Free access

By:

Source Collection:

  • Science After School Consumer's Guide

Rights:

  • All Rights Reserved, The Regents of the University of California, ©1998

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