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Este Web site contiene links a 12 calendarios (12 meses). Cada mes contiene actividades sobre matemáticas.

In this activity, learners investigate color vision as well as plan and conduct their own experiments.

In this math lesson, learners are introduced to proportional reasoning through modeling, sharing, and questioning techniques.

This activity (on page 2 of the PDF under SciGirls Activity: Music and Sound) is a full inquiry investigation into sound frequency.

In this math lesson, learners make estimates to analyze the number of apples per acre, and visualize the magnitude of one million.

In this activity, learners take measurements and create charts to learn about the size of dinosaurs and their relative scale to humans.