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In this math lesson, learners arrange pattern blocks to create tessellations and to explore geometric patterns. Learners first explore making patterns with a variety of pattern blocks.

In this activity (page 7 of PDF), learners will identify the general two-dimensional geometric shape of the uppermost cross section of an impact crater.

In this math lesson, learners explore tessellations through literature, music, writing, and art activities.

In this three-part math activity, learners explore shapes. In part one, learners identify, describe, and classify two-dimensional shapes.

In this math lesson, learners explore and investigate measurement using standard and non-standard units.

This activity offers learners and their families several ways to raise their awareness together about home water.

In this math lesson, learners explore transformations and quadratic functions through toothpick patterns.

In this math lesson, learners record and graph plant growth and interpret data. Learners plant seeds, and once the seeds sprout, record the change in height of the plants for several days.

In this math activity, learners collect, organize, and analyze a set of data related to types of animals in the temperate forest.

In this activity (page 10 of PDF), learners approximate the area of the uppermost cross section of an impact crater using a variety of square grids.

In this math lesson, learners use a variety of manipulatives to explore spatial relationships of squares and their transformations.

In this math lesson, learners learn how to construct stem and leaf plots. Learners first estimate the number of drops of water that will fit on the head of a penny.

In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.

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

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

In this math lesson, learners participate in several activities where they apply measurement skills.

Learners make their own simple slide rules out of paper and learn how they work.

Put the math of measurement, numbers, and everyday life into improvisational skits.

In this math lesson, learners apply mathematical modeling to solve a real-world storage problem, in which a manufacturing company is given two options for storing oil barrels.

In this activity (page 23 of PDF), learners conduct an experiment to determine how the size and mass of a projectile affects the area and the volume of an impact crater.