Content atlas · skill

Compose and decompose within 5

The learner can compose and decompose within 5. The capability is credited only when the task makes that demand necessary for success.

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.