One of thirty-six poster

Poster based on One of Thirty-six task.

Age

5 to 7

Challenge level

Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving

Being curious Being resourceful Being resilient Being collaborative

Problem

This poster is based on the problem One of Thirty-six.

The poster is available as a PDF, or the image below can be clicked on to enlarge it.

Hint	Possible numbers
The number is odd	1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35
The number is a multiple of three	3,9,15,21,27,33
It is smaller than 7x4 (=28)	3,9,15,21,27
The tens digit is even	21,27
It is the greater of the two possibilities	27 because that is greater than 21