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IoTClass Kids07B / 9

From your book: Always Arriving

Count three slots

Sammy in the paper model scene

Help me sort the five cards while the receiver is full.

Read together

Terry makes five pretend 20 °C cards; Gus has three slots. Sammy counts three full slots while the fifth waits with Terry. That card can enter after the handler frees a slot.

Sammy, your story guide

Sammy tracks three slots while Terry holds the fifth card.