Math pyramid puzzle
Each brick is the sum of the two just below it.
Printed numbers stay in place.
Choose an empty brick
This trio
Pyramid complete.
Choose a blank brick to start.
Build up. Work back down.
4 + 3 = 7 finds the brick above. 7 − 3 = 4 finds a missing brick below.
See the worked example24 puzzles · 12 per size. Daily rotates every 12 days in UTC. Practice uses the same collection.