Posted in Calculating, Christmas, Numicon, Problem solving

Christmas challenge – Day 6

6 Christmas stars – a puzzle

Christmas tree

Download the tree

Look at the picture. What do you notice?

What are Digit Dog and Calculating Cat trying to do?

What are you going to do first?

Check that each side totals 9.

What do you think? Can you do it another way?

To simplify the task

Use Numicon® shapes instead of numerals.

IMG_2130

 

Variation

Use numbers / Numicon® shapes 1 to 6 and make each side total 9. Then try totals of 10, 11 and 12. See Number Round Up on https://nrich.maths.org/188

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