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Lesson 2 — Adding a 4th Card: The Number 8

⏱ 15–20 minutes 💻 Web game (play right away, no prep needed) 💡 Data Representation — adding a new card doubles the range of numbers you can make (0-15) 🎂 Grades 1–3 (ages 6–9)
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👨‍👩‍👧 Notes for parents

Age: Grades 1–3 (ages 6–9) Duration: 15–20 minutes Format: Web game (play right away, no prep needed) Concept: Data Representation — adding a new card doubles the range of numbers you can make (0-15)

Learning Objective

Kids use the 1, 2, 4, 8 cards together to make numbers up to 15 — seeing that more cards means a wider range of numbers.

Do It Together (Parent-Child Co-participation)

Add a 4th paper card labeled 8 to the previous set, and try making numbers 8 through 15 together.