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In this math lesson, learners identify and compare unit costs of given items. Learners use computation skills, problem solving and number sense to find the cost of an ounce of cereal.

In this activity, learners investigate the sense of sight and develop and conduct their own experiments.

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.

In this activity, learners investigate the touch sensory system and discover how to plan and carry out their own experiments.

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

This assortment of mathematical games can be played while traveling.

In this activity, learners will build the highest tower they can out of recycled materials.

In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

In this math lesson, learners compare products to determine the best product.

In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.

In this activity, learners solidify their conceptualization of cells by building a model of a cell in a ziplock bag.

In this activity, learners investigate visual perception as well as plan and conduct their own experiments.

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

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.