What is the goal? Fill in all the blank corners of the triangles.

How to play? The number in the middle of each triangle is the sum of the numbers at its corners. Use your maths skills to fill in these corner numbers. You can only use single-digit numbers with values between 1 and 9. You have finished the puzzle once you have found all the numbers.

What cognitive skills would be improved? Attention;Processing Speed (if timed);Visual Processing

What recognition skills would be improved? Calculations;Directions;Groups;Numbers

What is the difficulty level of this activity? 1 of 3.

Published on: 27 December 2023
File size: 136kB (PDF)
Pages size: A4
Interior: Greyscale