Utah Education Network (UEN)
It's All Just Similar to Me
Middle schoolers explore the concept of similar figures. In this similar figures instructional activity, pupils calculate scale factors of similar triangles. They find missing sides of triangles, and measure angles using protractors and...
Curated OER
Similarity
In this similarity worksheet, students identify similar shapes. They determine the scale factor of the similar shapes and find their volume and area. Students enlarge shapes according to the given scale factor. They...
Curated OER
Scale Drawing
Students use ratio and proportions to solve problems. In this geometry lesson, students apply ratio and proportions to real life scenarios.
Curated OER
Similarity
In this similarity worksheet, 9th graders solve and complete 6 different types of problems. First, they complete the statement in the box shown. Then, students determine whether they agree or disagree with the statement and given...
Curated OER
Simplifying Ratios
In this simplifying ratios worksheet, 10th graders solve and complete 24 various types of problems. First, they complete each ratio and reduce when necessary. Then, students find the length and width of each rectangle described. They...
Curated OER
Math Skills: Conversions
In this conversions activity, learners use metric unit conversions to solve fifteen word problems that involve converting from one unit to another.
EngageNY
Informal Proof of AA Criterion for Similarity
What does it take to show two triangles are similar? The 11th segment in a series of 16 introduces the AA Criterion for Similarity. A discussion provides an informal proof of the theorem. Exercises and problems require scholars to apply...
Curated OER
Scale of Organisms
In this scale worksheet, students use the SI system to compare the sizes of some of the smallest and largest organisms on Earth. This worksheet has 7 problems to solve.
Curated OER
Geometry Concepts and Applications
For this concepts and applications review worksheet, 10th graders solve and complete 40 various types of multiple choice problems. First, they write the equation of a vertical line passing through a point. Then, students find the...
Curated OER
Venn Diagrams & Word Problems
Students explore the concept of Venn Diagrams through word problems. In this Venn Diagram lesson, students solve word problems about groups of people using Venn Diagrams. Students use survey results about MySpace and Facebook in a Venn...
Indian Institute of Technology
Could King Kong Exist?
The title says it all: Could King Kong exist? Investigate how increasing the dimensions of an object affects its surface area and volume to mathematically conclude whether a creature with the weight and height of King Kong could actually...
Inside Mathematics
Hopewell Geometry
The Hopewell people of the central Ohio Valley used right triangles in the construction of earthworks. Pupils use the Pythagorean Theorem to determine missing dimensions of right triangles used by the Hopewell people. The assessment task...
Curated OER
Proportions 1
In this proportion worksheet, students find the missing side of 4 shapes that are similar to their mate. Shapes include triangles and quadrilaterals,. In the second part of the worksheet, students use the scale factor to find...
Curated OER
Unit 14 - Loci and Transformations
In this transformations worksheet, students solve 25 short answer problems. Students dilate, reflect, and translate points and figures in the coordinate plane. Students determine scale factors and lines of symmetry of figures.
Curated OER
Similar Figures
In this similar figures instructional activity, students 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...
Curated OER
Fastest Way to a Full Belly
High schoolers create a scale model of a cafeteria. In this scale lesson, groups improve their actual school cafeteria layout by taking measurements of the structure and redesigning furniture and food serving lines. They create a scale...
Illustrative Mathematics
Running Around a Track I
The accuracy required by the design and measurement of an Olympic running track will surprise track stars and couch potatoes alike. Given a short introduction, the class then scaffolds into a detailed analysis of the exact nature of the...
Curated OER
Dimensional Analysis
In this mathematics instructional activity, students apply dimensional analysis to solving each problem. They identify the conversion factor and describe a unique characteristic of a conversion factor. Students also identify the unit in...
Curated OER
Exploring Similar Polygons
In this exploring similar polygons worksheet, 10th graders solve 9 various problems that are related to similar polygons. First, they define similar and the symbol used to identify similar to another. Then, students find the measurement...
Curated OER
Star Magnitudes and Multiplying Decimals
In this star magnitude and multiplying decimals worksheet, learners solve 5 problems using the magnitudes of given stars to determine which stars are the brightest, they determine the magnitude differences of stars and they sort given...
Curated OER
Stress Factors and Careers
Ninth graders explore factors that cause stress. They identify stress factors and how to deal with them. They role-play differences in cultures and equity issues and how they are affected by them. They record stresses they have and rate...
Pennsylvania Department of Education
Two Types of Division Problems
Students discover the two types of division problems. In this number division lesson, students identify repeated subtraction and sharing division problems. Students create word problems utilizing the two different types of...
CK-12 Foundation
CK-12 Middle School Math Concepts - Grade 6
Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...
Pennsylvania Department of Education
Dividing with Fractions
Fifth graders explore the strategies to solve word problems using multiplication and division. In this problem solving lesson, 5th graders recognize the relationship between multiplication and division to solve problems. Students...