Common Core Standards for Middle School Mathematics by Unknown

Author:Unknown
Language: eng
Format: epub
Tags: Education
ISBN: ASCD113013E6
Publisher: ASCD
Published: 2013-01-01T00:00:00+00:00

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The standards document identifies ratios and proportional reasoning as one of the critical areas in the 6th and 7th grade standards. Standard 1 (7.G.A.1), which deals with solving problems involving scale drawings, mirrors this focus on proportional relationships.

Standard 2 (7.G.A.2) introduces students to informal geometric constructions, asking them to use understandings developed in previous grades (4.G.A, 5.G.B) to help them draw and classify geometric shapes. Teachers may find it beneficial to use dynamic geometry software when teaching this standard, as the technology can help students focus on the results of changing the conditions of the figures rather than on the process of creating the drawings.

Standard 3 (7.G.A.3) requires work with three-dimensional figures, which students must relate to two-dimensional figures using cross sections. The use of geometric models or dynamic geometry software can aid this visualization process. Interpreting or drawing different views of structures may also help students as they develop this skill.

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