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Activity
AAA Math

Aaa Math: How to Determine a Ratio

For Students 6th - 8th Standards
Learners practice writing ratios in lowest terms. The resource consists of a tutorial and self-check practice problems.
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Lesson Plan
Indiana University

Indiana University: Area 10 Mathematics and Technology: Graphing Ratios

For Teachers 9th - 10th Standards
Activities to explore writing ratios, graphing ratios and using ratios to solve problems. Both a teacher and student guide are included.