Lesson Plan

Convert within and between measurement systems using known conversion factors and ratio reasoning

teaches Common Core State Standards CCSS.Math.Content.6.RP.A.1 http://corestandards.org/Math/Content/6/RP/A/1
teaches Common Core State Standards CCSS.Math.Content.6.RP.A.3d http://corestandards.org/Math/Content/6/RP/A/3/d
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7

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Big Ideas: Measurement conversion factors are ratios. Ratio reasoning can be used with known conversion factors to convert measurement units within and between measurement systems. In this lesson students will apply their understanding of measurement conversion factors as ratios to solve multi-step measurement conversion problems, particularly between metric and US customary measures of distance. This lesson expands upon work in earlier grades in measurement conversions within measurement systems, and builds toward future work in unit rates and proportional reasoning. Vocabulary: conversion factor, equivalent ratios, per, for every Special Materials: none
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