In this unit of two lessons, from Illuminations, students use estimation and measurement skills to determine the ratio of circumference to diameter and explo... More ...

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Scale Factor (6th Grade - 8th Grade)

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This reproducible transparency, from an Illuminations lesson, features information about scale factors. Click ""Display Full Record"" and see the Relation fi... More ...

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Surface Area (6th Grade - 8th Grade)

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This reproducible transparency, from an Illuminations lesson, features equations for finding the ratios for computing the surface area of cylinders and recta... More ...

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Squares and Rectangles (6th Grade - 8th Grade)

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This reproducible activity, from an Illuminations lesson, prompts students to calculate the areas of squares and rectangles. They then create triangles from ... More ...

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Unknown Triangles (6th Grade - 8th Grade)

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This reproducible activity, from an Illuminations lesson, instructs students to find the area of two triangles, for which base length and height are provided... More ...

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Trapezoid (6th Grade - 8th Grade)

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This reproducible activity sheet, from an Illuminations lesson, features several drawings of trapezoids of different sizes. Students first estimate then meas... More ...

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Rectangles and Parallelograms (6th Grade - 8th Grade)

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This reproducible activity sheet, from an Illuminations lesson, features drawings of rectangles and parallelograms. Using the grids drawn on the figures, stu... More ...

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Quadrilateral Area Record (6th Grade - 8th Grade)

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Using this reproducible chart, from an Illuminations lesson, students record the areas (and other characteristics) of various quadrilaterals. Click ""Display... More ...

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Area of Circles (6th Grade - 8th Grade)

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Using this reproducible chart, from an Illuminations lesson, students record the estimated area, radius, and actual area of several circular objects. Click "... More ...

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Fraction Circles (6th Grade - 8th Grade)

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This reproducible activity, from an Illuminations lesson, provides a circle, divided into wedges, for students to cut out. The circle is used as part of an e... More ...

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