In grades 6-8 all students should
- NM-MEA.3-5.1: Understand measurable attributes of objects and the units, systems, and processes of measurement
- NM-MEA.3-5.2: Apply appropriate techniques, tools, and formulas to determine measurements
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Understand measurable attributes of objects and the units, systems, and processes of measurement
- understand both metric and customary systems of measurement;
- understand relationships among units and convert from one unit to another within the same system;
- understand, select, and use units of appropriate size and type to measure angles, perimeter, area, surface area, and volume.
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Apply appropriate techniques, tools, and formulas to determine measurements
- use common benchmarks to select appropriate methods for estimating measurements;
- select and apply techniques and tools to accurately find length, area, volume, and angle measures to appropriate levels of precision;
- develop and use formulas to determine the circumference of circles and the area of triangles, parallelograms, trapezoids, and circles and develop strategies to find the area of more-complex shapes;
- develop strategies to determine the surface area and volume of selected prisms, pyramids, and cylinders;
- solve problems involving scale factors, using ratio and proportion;
- solve simple problems involving rates and derived measurements for such attributes as velocity and density.
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