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This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.

Learners create an Incan counting device called a quipu (pronounced kee-poo).

In this math activity, learners read "The Button Box" by Margarette S. Reid and then make their own button boxes filled with different buttons.

Use the Zoo Calendar (page 1 of PDF) to involve learners in interdisciplinary, whole language, and writing activities about ecological concepts.

In this math activity, learners play a card game to practice adding coins quickly, just like a banker. First, learners create coin cards. Next, the cards are dealt to each player.

In this math game, learners solve a mind-twisting puzzle using dominoes. Use this activity to help learners practice counting, adding, and solving problems.

In this math activity, learners estimate how many pennies are in a jar by predicting and counting handfuls of pennies.