Lesson 4 — The Big Card: The Number 16

Age: Grades 1–3 (ages 6–9) Duration: 15–20 minutes Format: Web game (play right away, no prep needed) Concept: Data Representation — the 5th card (16) lets you make numbers up to 31, revealing the pattern that each card is always double the one before it

Learning Objective

Kids use the 1, 2, 4, 8, 16 cards to make numbers up to 31 — noticing the pattern that each card doubles the previous one.

Do It Together (Parent-Child Co-participation)

Write a 5th card labeled 16, and point out with your child that 1→2→4→8→16 each card is always double the one before it.