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Algebra I: Ratios, Proportions and Equivalence Classroom ActivitiesDownload
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Mapping Success

In this activity, students will load a background image of a map and use the scale on the map to estimate distances.
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Hot Air Balloon

Using a dynamic manipulative, students will have a visual for adding and subtracting integers.
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Trigonometric Ratios

Students discover the trigonometric ratios through measuring the side lengths of similar triangles and calculating their ratios. The formal definitions of the sine, cosine, and tangent or an angle are presented and applied to find the missing side lengths.
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Common Denominator

Students will review and practice adding fractions with unlike denominators.
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Factoring Composite Numbers

Students will review some of the terms associated with prime factors. A Frayer Model (Square) is provided allowing the teacher to assess students’ knowledge of the concept prime.
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Perms and Combs?

Students will use built-in commands to evaluate factorials, combinations, and permutations.
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Ratios of Similar Triangles

Students explore two ways of comparing side lengths of similar triangles. They will calculate ratios and change the triangles to see how the ratio changes.
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Supertall Skyscrapers

Students measure scale drawings of famous "supertall" skyscrapers and solve more proportions to find the heights of other skyscrapers drawn with the same scale.
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One Step at a Time

Students solve one-step equations involving addition and multiplication by substituting possible values of a variable.
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Taxes & Tips

Students explore the taxes and tips percentages commonly used in stores and restaurants. They will first develop the pattern of converting a percent to a decimal.
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