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PIMSO 2024 - Mathematics - Primary 5 - National Round Question 22

PIMSO Maths · PIMSO 2024 - Mathematics - Primary 5 - National Round

Question 22

As these "buildings" grow, more blocks are needed. Build the buildings. Predict the number of blocks needed for the 60th building.

Question illustration

Editorial note: Use the conventional square-number continuation of the pictured counts, with no extra hidden blocks. The finite examples alone do not determine a unique rule.