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Spark & Whetstonethe grown-up commons

← This week's Puzzle Post

The Puzzle Post no. 7 · week of 23 November 2026

1. Word ladder

Change one letter at a time to turn WOOD into FIRE. Every step must be a real word. It takes 3 steps in between.

WOOD → ____ → ____ → ____ → FIRE

2. Number pyramid

Each block is the sum of the two blocks underneath it. Fill in the blanks.

3. Who has which pet?

Sam, Tia, Uma each have one pet: a snake, a horse, a crab.

  • Sam does not have the horse.
  • Tia's pet has no legs.
  • Uma does not have the crab.

4. What comes next?

3, 9, 27, 81, 243, ____

5. Riddle

What can you catch but never throw?

Answers on page two when printed

  1. WOOD → WORD → WORE → WIRE → FIRE
  2. From the bottom: 1, 7, 2, 4 · 8, 9, 6 · 17, 15 · 32
  3. Sam: crab · Tia: snake · Uma: horse
  4. 729 (times three each time)
  5. A cold.