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Worksheet
Helping with Math

Ratio and Proportion: Writing Ratios (2 of 2)

For Students 4th - 7th Standards
Elementary and middle schoolers use pictures to figure out simple ratios and complete ratio word problems. An example is done for learners in which three apples and seven oranges are displayed. The answer simply is a ratio of 3:7. The...
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Worksheet
Helping with Math

Ratio and Proportion: More Writing Ratio

For Students 6th - 8th Standards
Three ratio word problems make up this concise assignment. Mathematicians compare blondes to redheads, red and white shirts, and action-adventure and sports video games. The write ratios to answer the questions. Use this as a class warm...
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Worksheet
Curated OER

Quiz: Creating Equivalent Proportions

For Students 7th - 8th
In this proportion worksheet, students create a proportion from a set of four numbers. They write ratios that are equal to each other. This one-page worksheet contains ten problems.
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Worksheet
Curated OER

Quiz: Rewriting Ratios

For Students 4th - 6th
In this rewriting ratios worksheet, students observe models and read short statements. Next, they write ratios to depict the models and describe the statements. Students write their ratios in lowest terms. This one-page worksheet...
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Lesson Plan
Curated OER

Solve for Scale Factors Using Proportions

For Teachers 8th
Eighth graders solve problems using proportions with scaled drawings. They work with maps and blue-prints discussing scales and plans and examine different polygons and figure out the scale factors or proportions they have been changed by.
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Worksheet
Curated OER

Quiz: Similarity

For Students 7th - 8th
In this similarity worksheet, students use the characteristics of similar figures to determine the length of one side of a polygon, the height of a tree, or the shortest side of a triangle. They also identify similar figures. ...
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Interactive
Curated OER

Similar Figures

For Students 7th - 10th
In this similar figures worksheet, learners identify the meaning of similar, corresponding sides, and congruent.  They use proportions to find the length of a missing side.  Students dilate given figures according to a scale factor. ...
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Interactive
Curated OER

Using Proportions Self Check Quiz

For Students 9th - 10th
In this geometry worksheet, students identify the different ratios of triangles using the theorems. They use SSS, SAS, ASA and AAS to differentiate between triangles. There are 7 questions with an answer key.
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Lesson Plan
West Contra Costa Unified School District

Simplifying Fractions Activity

For Teachers 6th Standards
Warm-up pupils' fraction muscles with a four-question quiz, then delve into a learning game designed to reinforce the concept of simplifying fractions. Based on the "I do, We do, You do" method of teaching, the instructional...
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Lesson Plan
Texas Instruments

What's the Scale?

For Teachers 6th - 12th Standards
Pupils will analyze scales as related to models and real life in this geometry lesson plan. They work together to compare the dimensions on a model as compared to the real building.
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Lesson Plan
Curated OER

Assessment & Evaluation

For Teachers 7th
Seventh graders study elapsed time, radioactive decay and half-life.  In this time machine lesson students complete several activities and view a presentation.