In Games and warm-ups

Game Objective: To ask questions to identify the unknown number

Materials: Counting chart

WALT: Use our knowledge of numbers to identify the unknown number

WILF: Understanding of the number sequence and the relationship between numbers


  • Teacher (or leader) chooses a number within a given range
  • Students ask questions to try and narrow down then guess the number, e.g. Is the number even?
  • To help keep track of the questions the leader crosses off numbers that do not apply
  • For example, if the unknown number was not an even number, the leader would cross off all the even numbers on the counting chart
  • Over time students will be able to guess the unknown number by looking at the remaining numbers on the chart
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