Measurement and Data

Geometric measurement: understand concepts of area and relate area to multiplication and to addition.

5. Recognize area as an attribute of plane figures and understand concepts of area measurement.

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This 60-page pdf document demonstrates the connections between the CCSS content standards and the mathematical practice standards. It is a compilation of research, standards from several states, instructional strategies, common misconceptions, and examples for each standard at the grade 3 level. It is intended to help teachers understand what each standard means in terms of what students must know and be able to do. Additional flip books are cataloged separately for grades K-2 and 4-5. | Instructional Strategy, Reference Materials Grade Level: 3 | |

This web page provides links to resources aligned to the CCSS that guide and support third grade mathematics teaching and learning. Tasks developed by the Mathematics Assessment Resource Service (MARS) and Problems of the Month, (POM home page is cataloged separately) developed by the Noyce Foundation are included. The tasks were designed to measure students’ ability to solve non-routine problems, explain and justify their solutions, and promote high level thinking skills. They include the scoring rubric, student responses, and discussion of student understanding and misconceptions. Resources are listed for specific grade 3 standards and are also organized by progression for an alternate search route. | Instructional Strategy, Problem Set, Reference Materials Grade Level: 3 | |

This interactive Java applet allows users to explore relationships between shapes with a fixed perimeter and variable area. Random irregular shapes or rectangles with a fixed perimeter are displayed on a grid, and then the user enters the area of the figure. An optional scoring feature allows users to keep track of the number correct. | Interactive Media Grade Level: 3, 4, 5 | |

This question and answer service for math students and their teachers offers a searchable archive all about measurement at the elementary level. | Reference Materials, Community Grade Level: 3, 4, 5, 6+ | |

This question and answer service for math students and their teachers offers a searchable archive all about two-dimensional geometry at the elementary level. | Reference Materials, Community Grade Level: 3, 4, 5, 6+ | |

This interactive Java applet allows users to explore estimating numbers of objects, length, and area, by displaying two sets of random shapes, lines, or irregular figures on the screen. Users are asked if the first set is more or less than the second set. Options include: two difficulty levels; displaying guess history; a hint button; and an optional scoring feature that allows users to keep track of the number correct. | Interactive Media, Problem Set Grade Level: 2, 3, 4, 5 | |

This interactive Java applet allows users to explore estimating numbers of objects, length, and area, by displaying random shapes, lines, or irregular figures on the screen. Options include: three difficulty levels for accuracy; displaying guess history; a hint button; and an optional scoring feature that allows users to keep track of the number correct. | Interactive Media, Problem Set Grade Level: 2, 3, 4, 5 | |

This interactive Java applet simulates the Geoboard manipulative and allows users to explore many shape and measurement concepts. Users create shapes by placing bands on pegs. Options include color fill of shapes and display of perimeter and area measurements. Five suggested activities are included emphasizing understanding of perimeter and area. Other uses are suggested for teachers and parents. | Activity, Interactive Media Grade Level: 2, 3, 4, 5 | |

This iOS app is an open-ended tool for exploring a variety of mathematical topics. Learners stretch colored bands around pegs to form line segments and polygons in order to make discoveries about perimeter, area, angles, congruence, and fractions. Users can switch from a 25-peg board to an expanded 150-peg board and fill in the interior of shapes with transparent color. | Interactive Media, Mobile App Grade Level: K, 1, 2, 3, 4, 5 | |

This web unit offers suggestions for using geoboards to explore the length and area of two-dimensional geometric figures. The introduction describes materials needed, offers discussion and activities for investigating length and area (in particular, Pick's Theorem), and provides sample pages of dot paper to print out. Five lesson plans focus on lines, squares, rectangles, parallelograms, and right triangles, and a short bibliography rounds out the unit. | Activity, Lesson Plans, Unit of Instruction, Reference Materials Grade Level: 3, 4, 5, 6+ |