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In this math lesson, learners use slices of bread and geoboards to explore several ways to divide a rectangle in half. Learners also identify equivalent fractions that represent one-half.

This board game teaches learners about energy decision making. Players select cards that determine the transportation and home design that will influence their expenses as they play.

This activity lets learners participate in the process of reconstructing a phylogenetic tree and introduces them to several core bioinformatics concepts, particularly in relation to evolution.

In this activity, learners will ask yes-no questions to identify a secret number (similar to Twenty Questions). Combine logic and numbers in this game for all ages.

In this web-based activity, learners try to figure out who in an online chat room has their matching puzzle piece.

In this online version of the classic paper and pencil game, learners practice looking ahead to anticipate an opponent's move.

In this activity, learners construct three math puzzles out of simple materials like wood, string, and Styrofoam.

In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek.

In this math lesson, learners are given 15 chips and a number line labeled from 2-12.

In this game (on pages 14-21), learners explore how each human being inherits genetic traits such as eye color.

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

This activity explores what it means for a computer to be intelligent and introduces the topic of what a computer program is and how everything computers do simply involves following instructions writ

Combine la lógica y los números en este juego para todas las edades.

This is an online Flash game where learners can experiment with ballistics and how to compensate for the varying levels of gravity found on the planets of our Solar System.

Jugando a este juego, los chicos desarrollan habilidades en área, perímetro, múltiples, y factores. Tomen turnos para hacer rectángulos con 12 cuadrados en la cuadrícula.

Learners create an electrical-circuit maze out of wire, then try to pass a paperclip through the maze without touching the wire.

Jugando a este juego de estrategia, los chicos desarrollan su entendimiento sobre cuadrados, área, y perímetro. En su turno, cada jugador hace una línea entre dos punto contiguos en la cuadrícula.

Combine logic and numbers in this game for all ages. Players start with a 10x10 grid of the numbers 1 to 100. One person chooses a secret number and announces the range in which it falls.

In this activity, learners can play two card games related to endangered species, specifically North American amphibians.

This game introduces learners to the scale of the greenhouse gas problem, plus technologies that already exist to dramatically reduce our carbon emissions and prevent climate change.