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Lesson Plan

Relate the use of non-standard measurement units to standard units of measure by constructing a ruler

teaches Common Core State Standards CCSS.Math.Content.2.MD.A.1 http://corestandards.org/Math/Content/2/MD/A/1
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards CCSS.Math.Practice.MP5 http://corestandards.org/Math/Practice/MP5
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Big Ideas: Measurements can be determined using known referents as the unit in the measurement process. Relate the use of non-standard measurement units to standard units of measure by constructing a ruler. This lesson builds on students' prior knowledge of measuring with non-standard units. The task will ask students to use a non-standard unit (1-inch color tiles) to create a ruler. Students will then relate/compare their created ruler to a standard ruler. The mathematical concepts in this lessons builds toward students' future work with the number line and finding sums and differences within 100. Vocabulary: longer, shorter, measure, standards units, units, customary, metric, inch, foot, centimeter, tools, meter, centimeter, ruler, yardstick, meter stick, measuring tape Special Materials: 1-inch color tiles strips of paper (sentence strips) rulers
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