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Lesson Plan
Curated OER

Exploring Similarity Using Scale Drawings

For Teachers 10th
Learners explore scale factor as they create a scale drawing of a box, then determine the surface area and volume of the original and the scale drawing. The one page worksheet contains activities and procedures with four questions.   
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Lesson Plan
Curated OER

Drawing to Scale

For Teachers 3rd - 5th
Students examine the process of drawing a picture to scale. They analyze and discuss real-life blueprints for a house, and create a scale drawing of an original invention using calculators and rulers.
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Worksheet
Curated OER

Scale Factors

For Students 6th
In this scale factors activity, 6th graders solve 10 different problems that include types of scale factors. First, they determine the missing dimensions in each problem. Then, students round their responses to the nearest tenth before...
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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. 
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Lesson Plan
EngageNY

Scaling Principle for Volumes

For Teachers 9th - 10th Standards
Review the principles of scaling areas and draws a comparison to scaling volumes with a third dimensional measurement. The exercises continue with what happens to the volume if the dimensions are not multiplied by the same constant. 
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Lesson Plan
Curated OER

Scale Factors for Areas and Volumes

For Teachers 5th - 6th
Students examine mathematical questions. They examine how to tackle mathematical questions and discover the effect of a change in length on area and volume. They examine the consequences of the physical properties sea animals on heat...
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Instructional Video3:29
PBS

Scale City — Scaling up Recipes and Circles in the Real World

For Students 6th - 7th Standards
What a great big skillet you have. The resource introduces the class to the world's largest stainless steel skillet. The class creates a model of the skillet and a typical 12-inch skillet and compares the relative sizes of their areas....
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Performance
Radford University

How do I Create a Scaled Model of a Full-Sized Basketball Court?

For Teachers 9th - 12th Standards
Take mathematics to the hoop! Pairs first measure the linear distances on a basketball court. Using those measurements, they determine the scale lengths to create a scaled model. To finish the activity, learners create models of the...
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Lesson Plan
Curated OER

Understanding Proportions and Scale Drawings

For Teachers 7th - 8th
Proportions are ratios found using multiplication or division. Middle schoolers solve measurement problems, find a figure's missing dimension, and find the distance between two points. Resource features four lesson plans with detailed...
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Lesson Plan
Curated OER

Investigating Scale Factors with the Geometer's Sketchpad

For Teachers 7th - 12th
Young scholars use Geometer's Sketchpad to examine the scale factor when in is applied to the length of a figure's sides. They look at how the scale factor affects the side lengths, perimeter, and area of the figure that result. They...
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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...
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Lesson Plan
1
1
EngageNY

Dilations from Different Centers

For Students 9th - 10th Standards
Can you follow a composition of transformations, or better yet construct them? Young mathematicians analyze the composition of dilations, examining both the scale factor and centers of dilations. They discover relationships for both and...
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Worksheet
Curated OER

Dilations and Similarity

For Students 8th - 10th Standards
In this dilations and similarity instructional activity, pupils solve 10 different problems that include various dilations. First, they determine the scale factor of dilations found in the illustrated graphs. Then, everyone determines...
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Worksheet
Curated OER

Geometry Worksheet 9.5: Rotational Symmetry

For Students 9th - 12th
In this rotational symmetry worksheet, students solve 14 short answer and graphing problems. Students identify the order and magnitude of given figures.  Students find the scale factor of a dilation given a graph.
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Lesson Plan
EngageNY

Examples of Dilations

For Teachers 8th Standards
Does it matter how many points to dilate? The resource presents problems of dilating curved figures. Class members find out that not only do they need to dilate several points but the points need to be distributed about the entire curve...
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Lesson Plan
EngageNY

Dilations on the Coordinate Plane

For Teachers 8th Standards
Dilations from the origin have a multiplicative effect on the coordinates of a point. Pupils use the method of finding the image of a point on a ray after a dilation to find a short cut. Classmates determine the short cut of being able...
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Assessment
Balanced Assessment

How Big is Big?

For Students 6th - 8th
Now you can create your own monster movie. Learners estimate the size of a scale model monster given comparison statements and analyze these estimates to determine if the scale model accurately portrays a lizard.
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Lesson Plan
EngageNY

Fundamental Theorem of Similarity (FTS)

For Teachers 8th Standards
How do dilated line segments relate? Lead the class in an activity to determine the relationship between line segments and their dilated images. In the fourth section in a unit of 16, pupils discover the dilated line segments are...
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Assessment
1
1
Balanced Assessment

Modern Building

For Students 9th - 12th Standards
Turn your pupils into emerging architects with a resource that asks learners to analyze a scale drawing of a building. They use the scale drawing to interpret the size of the actual building before recreating the drawing using a...
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Activity
Exploratorium

Measuring and Mapping the Playground

For Teachers 4th - 7th Standards
The school playground is a great place to learn about math. Pupils measure the dimensions of a playground using baby steps and individual strides. They use their measurements to create a scale drawing of the playground by applying an...
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Assessment
1
1
Balanced Assessment

House Plan

For Students 9th - 12th Standards
A short assessment has individuals determine the scale of a house plan. They use the scale to calculate the size of a door and window that need to be replaced, and then divide a bedroom in two, calculating the size of rooms created.
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Lesson Plan
Curated OER

Exploring Scale And Ratio

For Teachers 4th - 6th
Students measure the actual size and distance of the solar system using scale and ratio. They watch and discuss a video, create a distance-scale solar system model, and compare the scale sizes of planets to their actual sizes.
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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
EngageNY

The Scaling Principle for Area

For Teachers 9th - 10th Standards
As they investigate scaling figures and calculate the resulting areas, groups determine the area of similar figures. They continue to investigate the results when the vertical and horizontal scales are not equal. 

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