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Students will investigate quadratic functions using geometric toothpick designs. Students match the symbolic form of the function to the appropriate graph, then given the graphs, students analyze the various transformations and determine the equation for Full Review »
- Grade Range
- 6th
- Rating
Students use toothpicks and gumdrops to make prisms and pyramids. This helps them explore the relationship betweeen faces, vertices, and edges. Full Review »
- Grade Range
- 4th
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Students model the activity of an enzyme acting on a substrate and observe relationships. Have students place toothpicks in a pile. One member of the team should break as many toothpicks as possible, in 10 seconds. Full Review »
- Grade Range
- 7th - 8th
- Rating
Students experiment with genes and environment for a population of "Toothpick Fish." Full Review »
- Grade Range
- 9th - 12th
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Students investigate quadratic functions using geometric toothpick designs. They review transformations of quadratic functions-vertical and horizontal shifts, and stretches and shrinks. Students match the symbolic form of the function to the appropriate graph, then given the graphs, students analyze the various transformations and determine the equation for the functions. Full Review »
- Grade Range
- 10th - 12th
- Rating
Students pretend to be an enzyme "thoothpickase" which breaks toothpicks in timed intervals. They complete calculations to determine how many toothpicks are broken per second to determine the rate of reaction of the enzyme. Full Review »
- Grade Range
- 5th - 8th
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Students draw a chart (included in the lesson) to use with their investigation. They review terminology of triangles and receive toothpicks to use in the lesson. Beginning with three toothpicks, students form a triangle. They complete the appropriate section of their chart and repeat the process using four, five, six...toothpicks. When time is up, the results are discussed. Full Review »
- Grade Range
- 8th - 12th
- Rating
Students explore patterns, variables nad mathematical relationships. They examine patterns with toothpicks and determine the next sequence of figures. In addition, they write and justify a formula based on the sequence. An answer key is included. Full Review »
- Grade Range
- 2nd - 3rd
- Rating
Students assembly tops and name them 1 - 12 so that they can compare their results. They guess which top they think will spin the best and then record data on "Toothpick Top" table. Using a stopwatch or clock to measure and record the spin time, to the nearest second, of each top. Full Review »
- Grade Range
- 9th - 12th
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Students participate in an activity known as toothpick geometry. Individually, they form different shapes by moving toothpicks into the correct formation. They complete a worksheet and review their answers with the class to end the lesson. Full Review »
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