Content atlas · Bridges in Mathematics third-edition

December: Computational Fluency

Doubles & Halves Within 20

3 published problems

1. The Ironclad’s Hidden Rest Site — Use equal jumps to locate the Ironclad’s hidden Rest Site on the Spire.
2. Pen Nib’s First Move — Choose which Slay the Spire attack Pen Nib should double first and explain the better order.
3. The Oran Berry Passing Circle — Track three Pokémon berry piles through a passing circle and prove the smallest possible start.