Can you find the chosen number from this square using the clues below?
1. The number is odd.
2. It is a multiple of three.
3. It is smaller than 7 x 4.
4. It has an even tens digit.
5. It is the greater of the two possibilities.


This activity is adapted from the NRICH task One of Thirty Six with permission of the University of Cambridge. All rights reserved.

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One Response to Years 4 – 8 One of Thirty Six

  1. Avatar Maitse Phooko says:

    I did this with the grade 5 learners. They first listed multiples of 3, then choose odd numbers with tens and units. They enjoyed it very much. In a way it also revision lesson for odd and even numbers.

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