Lesson Plan
EngageNY

Making Scale Drawings Using the Ratio Method

For Students 9th - 10th Standards
Is that drawn to scale? Capture the artistry of geometry using the ratio method to create dilations. Mathematicians use a center and ratio to create a scaled drawing. They then use a ruler and protractor to verify measurements. 
Lesson Plan
Curated OER

Scale Drawing

For Teachers 9th - 10th
Students use ratio and proportions to solve problems. In this geometry lesson, students apply ratio and proportions to real life scenarios.
Lesson Plan
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Berkshire Museum

Adopt a Schoolyard Tree

For Teachers 2nd - 5th Standards
Help young scientists connect with nature and learn about trees with a fun life science lesson plan. Heading out into the school yard, children choose a tree to adopt, taking measurements, writing descriptions, and drawing sketches of it...
Lesson Plan
Curated OER

Draw Like an Egyptian

For Teachers 6th - 8th
Students discover the cultural history of Egypt by illustrating Egyptian figures.  In this art history instructional activity, students analyze the Egyptian styles of figure drawings and emulate that by creating their own...
Lesson Plan
EngageNY

Special Relationships Within Right Triangles—Dividing into Two Similar Sub-Triangles

For Students 9th - 10th Standards
Why are right triangles so special? Pupils begin their study of right triangles by examining similar right triangles. Verifying through proofs, scholars recognize the three similar right triangles formed by drawing the altitude. Once...
Lesson Plan
Curated OER

The Stained Glass Window

For Teachers 6th - 8th
Middle schoolers use centimeter rulers and the attached worksheet containing a scale drawing of a stained glass window. The actual measurements of the stained glass window are given, and students are asked to find the actual measurement...
Lesson Plan
EngageNY

The Side-Angle-Side (SAS) and Side-Side-Side (SSS) Criteria for Two Triangles to Be Similar

For Students 9th - 10th Standards
Playing with mathematics can invoke curiosity and excitement. As pupils construct triangles with given criteria, they determine the necessary requirements to support similarity. After determining the criteria, they practice...
Lesson Plan
Curated OER

Super Size It, Please!

For Teachers 8th - 11th
Pupils take photos from a given distance and determine the height of the person using a scale factor. Pupils calculate the ratio of student actual height to student photo height. They take pictures from 3 different distances to see if...
Lesson Plan
Curated OER

What's My Ratio?

For Teachers 3rd - 5th
Students investigate ratios of various objects.  In this ratios of various objects instructional activity, students draw pictures on graph paper and then dilate or shrink the image.  Students determine the ratio of their...
Lesson Plan
Curated OER

Proportional Similarities

For Teachers 8th - 10th
Students model the geometric relationship with graphing. In this geometry activity, students differentiate between parallel, perpendicular, similar and congruent shapes. They use properties of polygons to differentiate their shapes...
Lesson Plan
Curated OER

Similar Triangles

For Teachers 9th - 10th
Students differentiate between similar and congruent triangles. For this geometry lesson, students identify the missing side and angle of a triangle. They identify the different ratio and proportion of the sides of a triangle.
Lesson Plan
Curated OER

Probability & Game Theory

For Teachers 11th - Higher Ed
Young scholars explore the concept of probability. In this probability lesson, students perform various probability experiments including flipping a coin, picking m&m's out of a bag, and the birthday problem.
Lesson Plan
Curated OER

Scale

For Teachers 9th - 10th
Students apply concepts of scales to solve problems. In this geometry lesson, students solve real world problems using scales, proportions and ratios. They predict the actual size of a model given the scale drawings.
Lesson Plan
Curated OER

THE MEAN INDEX CARD

For Teachers 6th - 8th
Young scholars cut an index card to create three similar right triangles and explore the congruencies and proportions that exist. They investigate the properties of lines and concepts of congruency, similarity, tangency and symmetry of...
Lesson Plan
Curated OER

An Application of Congruence

For Teachers 9th - 10th
Learners solve triangles using the properties if congruency. In this geometry instructional activity, students apply congruent and similar figures to solve real world and math problems. They show they are able to follow instructions.
Lesson Plan
Curated OER

Dream Bedroom Floor Plan

For Teachers 9th - 10th
Students build and apply concepts of geometry. In this geometry lesson, students create a building using proportions and scale drawings. They use Cabri technology to create a virtual drawing first.
Lesson Plan
Curated OER

Investigating the Structure of the Flower

For Teachers 7th - 10th
Students investigate the structure of the flower. In this biology lesson plan, students examine the basic anatomy of a flower by means of creating a model and understand the proportional relationships of the various parts illustrated.
Lesson Plan
Curated OER

Calculus at the Battle of Trafalgar

For Teachers 12th - Higher Ed
Students read an article on how calculus is used in the real world. In this calculus lesson, students draw a correlation between the Battle of Trafalgar and calculus. The purpose of this article is the show everyday uses for calculus in...
Lesson Plan
Curated OER

Similar Triangles - Applied Problems

For Teachers 9th - 12th
Students differentiate between similar and congruent triangles. In this geometry instructional activity, students identify the angles of triangles using the similarity theorem. They apply concepts of triangles to the real world.
Unit Plan
Mathematics Vision Project

Circles: A Geometric Perspective

For Teachers 10th - 12th Standards
Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...
Assessment
Achieve

Framing a House

For Students 6th - 10th Standards
If members of your class wonder where they can use the math they learn in middle school, let them discover the answer. Learners apply geometry concepts of scale and measure to calculate the costs of framing a house addition.
Lesson Plan
Curated OER

Probability and Geometry

For Teachers 8th - 11th
Students explore the ways Geometry can help solve probability problems. Students describe platonic solids and practice calculating probability using an online resource. They construct dice with various numbers of sides to demonstrate...
Lesson Plan
Curated OER

Congruence with Robot Gobot

For Teachers 8th - 10th
Students identify the properties of solids and polygons. For this geometry lesson, students identify the different measurements of a triangle. They use congruence parts and theorem to prove their answer.
Lesson Plan
Curated OER

Cause and effect Relationship

For Teachers 10th - 12th
Students examine folk’s tales for Cause and Effect. In this literature lesson, students read "The Origin of Fire" and "The Origin of Medicine” and look for cause and effect. They use a TI Navigator to write down their findings.