This lesson, one of a multi-part unit from Illuminations, provides an introduction to and practice with the concept of time. The activities focus students' a... More ...

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Exploring Pennies and Dimes (Kindergarten - 2nd Grade)

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In this lesson, one of a multi-part unit from Illuminations, students examine pennies and dimes and model subtraction as they listen to a children's book. Th... More ...

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Heights of Students in Our Class (3rd Grade - 5th Grade)

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In this lesson, one of a multi-part unit from Illuminations, students participate in activities in which they focus on the uses of numbers. They display and ... More ...

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To Fret or... (9th Grade - 12th Grade)

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This reproducible activity, from an Illuminations lesson, features questions dealing with measuring distances on fretted stringed instruments. Click ""Displa... More ...

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Scaling Away (6th Grade - 8th Grade)

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This reproducible worksheet, from an Illuminations lesson, contains questions regarding the effect of multiplying by a scale factor on the surface area and v... More ...

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What Changes, What Stays the Same? and Perimeter vs. Circumference (6th Grade - 8th Grade)

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This reproducible overhead, from an Illuminations lesson, provides charts on which students record data about the side length and perimeter of different size... More ...

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IGD: Area of a Rectangle (3rd Grade - 8th Grade)

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This student interactive, from Illuminations, allows students to see interactively how to find the area of a rectangle by manipulating the length of two oppo... More ...

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What's Important About Triangles? (3rd Grade - 5th Grade)

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In this lesson, one of a multi-part unit from Illuminations, students discover that it is not possible to construct some triangles from given lengths and tha... More ...

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Blue Squares and Beyond (6th Grade - 8th Grade)

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In this lesson, one of a multi-part unit from Illuminations, students manipulate two rectangles to create examples of similarity and to study the effects on ... More ...

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Go with Green Rectangles (6th Grade - 8th Grade)

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In this lesson, one of a multi-part unit from Illuminations, students manipulate 2-dimensional rectangles using an online interactive applet. They focus on t... More ...

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