Content atlas · Bridges in Mathematics third-edition

January: Calendar Grid

Teddy Bears’ Buttons: Combinations to 5

2 published problems

  1. The Fire-and-Frost Dragon Bridge — Investigate every shortest way the fire and frost dragons can swap sides of the bridge.
  2. Firefly Jars — Count four glowing jars, circle the jar with five fireflies, and finish another jar to make five.