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Designing a Playground

By Platform Administrator · Submitted Sep 30, 2026

Content Area
Mathematics
Grade
4

In pairs, students create a blueprint of the playground for the school, including various structures they would like to see in their park. They measure the recess yard in meters and create a 20-scale version, measuring the area/perimeter in square meters and meters. The students write a persuasive essay in ELA to convince an audience that their playground is the best design for the school. Students present their designs to the school families and community. The selected design is then built collaboratively in art class as a 30-scale model.

MA Standards

4.MD.A.1
Know relative sizes of measurement units within one system of units including km, m, cm; kg, g; lb, oz.; l, ml; hr, min, sec. Within a single system of measurement, express measurements in a larger unit in terms of a smaller unit. Record measurement equivalents in a two-column table. For example, know that 1 ft is 12 times as long as 1 in. Express the length of a 4 ft snake as 48 in. Generate a conversion table for feet and inches listing the number pairs (1, 12), (2, 24), (3, 36), …
4.MD.A.3
Apply the area and perimeter formulas for rectangles in real-world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor. (Note: When finding areas of rectangular regions answers will be in square units. For example, the area of a 1 cm x 1 cm rectangular region will be 1 square centimeter (1 cm2, students are not expected to use this notation.) When finding the perimeter of a rectangular region answers will be in linear units. For example, the perimeter of the region is: 1cm + 1cm + 1cm +1cm = 4 cm or 2(1cm) + 2(1cm) = 4 cm).
SL.4.4
Report on a topic, text, procedure, or solution to a mathematical problem, tell a story, or recount an experience in an organized manner, using appropriate facts and relevant, descriptive details to support main ideas or themes; speak clearly at an understandable pace and use appropriate vocabulary (See grade 4 Language Standards 4-6 for specific expectations regarding vocabulary.)
W.4.1
Write opinion pieces on topics or texts, supporting a point of view with reasons and information.

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