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
EngageNY

Making Scale Drawings Using the Parallel Method

For Students 9th - 10th Standards
How many ways can you create a dilation? Many! Individuals strengthen their understanding of dilations by using various methods to create them. The new technique builds on pupils' understanding of the ratio method. Using the ratio,...
Interactive
Khan Academy

Challenge: A Loopy Ruler

For Students 6th - Higher Ed
Now try writing your first while loop! This activity guides you through creating a small JavaScript program that marks the top of the screen with a ruler. Use the while loop to write the numbers across the screen.
Lesson Plan
Virginia Department of Education

Going the Distance

For Teachers 6th Standards
Estimate the value of one of the most famous irrational numbers. The hands-on lesson instructs classmates to measure the circumference and diameters of circles using yarn. The ratio of these quantities defines pi.
Organizer
Curated OER

My Foot and the Standard Foot

For Students K - 2nd Standards
Young mathematicians put one foot in front of the other as they learn how to measure length in an elementary math lesson. Using paper cutouts of their own feet, children measure classroom objects as they discover the importance of...
Lesson Plan
Arizona Department of Education

Introduction to Integers

For Teachers 5th - 7th Standards
Welcome to the backward world of negative numbers. This introductory lesson teaches young mathematicians that negative numbers are simply the opposite of positive numbers as they use number lines to plot and compare...
Lesson Plan
EngageNY

The Distance from a Point to a Line

For Students 9th - 12th Standards
What is the fastest way to get from point A to line l? A straight perpendicular line! Learners use what they have learned in the previous lessons in this series and develop a formula for finding the shortest distance from...
Lesson Plan
EngageNY

Estimating Centers and Interpreting the Mean as a Balance Point

For Teachers 9th - 10th Standards
How do you balance a set of data? Using a ruler and some coins, learners determine whether the balance point is always in the middle. Through class and small group discussions, they find that the mean is the the best estimate of the...
Lesson Plan
EngageNY

Looking More Carefully at Parallel Lines

For Students 9th - 10th Standards
Can you prove it? Making assumptions in geometry is commonplace. This resource requires mathematicians to prove the parallel line postulate through constructions. Learners construct parallel lines with a 180-degree rotation and then...
Worksheet
1
1
Mr. Roughton

Late Middle Ages Dossiers

For Students 6th - 10th Standards
Young detectives are given the "clues" to investigate whether King John should be remembered as a poor ruler of England, particularly in comparison in King Richard. They analyze historical informational texts and work in...
Lesson Plan
National Research Center for Career and Technical Education

Safety and Sanitation

For Teachers 9th - 12th Standards
Your microbiologists explore the graphing of exponential growth functions using bacteria, like e. coli and salmonella, in a well-written, career and technology lesson. 
Activity
101 Questions

Trashketball

For Teachers 9th - 12th Standards
Take a shot using a lesson on volume! Young learners watch a video showing a trashcan filling with paper balls. The task is to calculate the number of paper balls that will fit in the can. Pupils use volume calculations to make a...
Printables
Curated OER

Conversation Visual Prompts

For Teachers K - 12th Standards
Help learners understand the importance and proper placement of non-verbal communication using these visual prompts. This set includes graphics to remind students to listen (ear), keep personal space (ruler), use the right facial...
Lesson Plan
National Council of Teachers of Mathematics

Stitching Quilts into Coordinate Geometry

For Students 8th - 11th Standards
Who knew quilting would be so mathematical? Introduce linear equations and graphing while working with the lines of pre-designed quilts. Use the parts of the design to calculate the slope of the linear segments. The project...
Unit Plan
Mathematics Vision Project

Module 6: Congruence, Construction, and Proof

For Teachers 8th - 10th Standards
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This...
Lesson Plan
Cornell University

Constructing and Visualizing Topographic Profiles

For Teachers 6th - 12th Standards
Militaries throughout history have used topography information to plan strategies, yet many pupils today don't understand it. Scholars use Legos and a contour gauge to understand how to construct and visualize topographic profiles. This...
Lesson Plan
EngageNY

The Angle-Angle (AA) Criterion for Two Triangles to Be Similar

For Teachers 9th - 10th Standards
What do you need to prove triangles are similar? Learners answer this question through a construction exploration. Once they establish the criteria, they use the congruence and proportionality properties of similar objects to find...
Activity
1
1
Illustrative Mathematics

A Midpoint Miracle

For Teachers 9th - 12th Standards
Young geometers develop one of the fundamental properties of quadrilaterals (connecting side midpoints gives a parallelogram) in this short but thought-provoking exercise. Using a combination of hands-on techniques and abstract algebraic...
Assessment
1
1
Balanced Assessment

Multi-Figures

For Students 9th - 12th Standards
Apply concepts of scale and ratio to determine relationships in irregular figures. Learners determine the ratio of the perimeters of two figures composed of rectangles and circles. After, they apply similar concepts to find the ratio of...
Lesson Plan
Energy for Keeps

Going for a Spin: Making a Model Steam Turbine

For Teachers 6th - 8th
Discover the effectiveness of wind, water, and steam as energy sources. The hands-on activity has young scientists create a turbine from common materials. After constructing the turbines, they use wind, water, and steam to turn them and...
Activity
1
1
Curated OER

James and the Giant Peach Plot Analysis

For Teachers 3rd - 5th
It's all about the plot, main events, and story mapping with this lesson. As the class reads the novel James and the Giant Peach, they create an excitement graph that actually charts key events and moments of excitement. After...
Lesson Plan
Virginia Commonwealth University

General Construction Measurement and Dimensions

For Teachers 6th - 9th Standards
Learners construct their understanding of measurement and dimensions in this step-by-step approach that begins with an all group vocabulary introduction, consisting of measuring objects and dialoging using measurement vocabulary....
Lesson Plan
LABScI

The Rutherford Atomic Model: Hidden Obstacles

For Students 9th - 12th
Historically, scientists had to be creative to study subatomic structure. Scholars step into their minds to recreate the procedure Rutherford used to create his atomic model. Learners identify the creative efforts of early scientists...
Lesson Plan
Virginia Department of Education

Surface Area of a Rectangular Prism

For Teachers 7th Standards
Wrap up a lesson on surface area with a resource that asks scholars to use the idea of wrapping paper to investigate surface area. They draw representations of rectangular prisms on graph paper to find the areas of the respective...

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