Students use math to construct an octagonal enclosure in which they can play GaGa (a.k.a. Israeli Dodgeball). In construction, students learn measurements and angles by cutting wood and have their abilities tested by the integrity of the octagon they build.

CCSS Alignment for Grades 6-8

  • 6.G.1: Find the area of right triangles, other triangles, special quadrilaterals, and polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems. Students plan to make octagonal enclosure by calculating area of pit and the amount of materials needed to cover that area.

  • 7.G.6: Solve real-world and mathematical problems involving area, volume and surface area of two- and three-dimensional objects composed of triangles, quadrilaterals, polygons, cubes, and right prisms. Students construct a 3 dimensional octagon in which they can play dodgeball.

  • 8.EE.1: Know and apply the properties of integer exponents to generate equivalent numerical expressions. For example, 32 × 3–5 = 3–3 = 1/33 = 1/27. Students convert measurements of lengths of wood from fractions to integer exponents to show different expressions of the same value.