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In this math-based activity, learners will experiment to find how height and angle affect spatter and then use this knowledge to solve a crime.

In this math lesson, learners rotate through various centers while comparing and ordering objects according to length.

In this math lesson, learners use fruit to learn about proportions and percentages. Learners compare the weights of the edible and non-edible portions of fruit.

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 math activity, learners sort patterns into similar "families" or groups that have the same pattern, but different symbols.

In this math activity, learners make their own bubble wands and determine if the size of the wand affects the number of bubbles it produces.

This activity was designed for blind learners, but all types of learners can utilize it to investigate volume, mass, and density.

In this math activity, learners guess which cereals contain the most sugar. Learners use the nutrition labels on the cereal boxes to find the cereal with the least amount of sugar.

In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.

In this math lesson, learners explore the relationship between the thickness of a spaghetti bridge, the length of the bridge, and the amount of weight that can be supported by the bridge.

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

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

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 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 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 compare products to determine the best product.

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

In this math lesson, learners apply the concepts of ratio and proportion to the capture-recapture statistical procedure.

In this math lesson, learners count and compare amounts of money less than or equal to one dollar.