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Instructional Video3:31
Corbett Maths

Enlargements with Fractional Scale Factors

For Students 6th - 12th Standards
Enlargements make it bigger, right? A video shows viewers how to perform a basic dilation with a fractional scale factor. They learn how to use the scale factor to find the location of the transformed vertex by multiplying the horizontal...
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Activity
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Teach Engineering

Using Map Scales to Figure Distances and Areas

For Teachers 6th - 8th Standards
The asteroid is getting closer and the question is whether the state of Alabraska is large enough for the shelter calculated in the previous activity. Teams determine the scale of their project and then use the scale on the map to...
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Lesson Plan
Curated OER

Proportions and Scale Factor for Measurement

For Teachers 5th - 7th
Learners explore the concept of proportion. In this proportion lesson, students use google maps to find the distance the their school is from home. Learners discuss what a scale factor is through teacher led discussion. Students...
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Interactive
PBS

Map a Model Solar System

For Students 6th - 8th Standards
Creating a solar system map is a snap thanks to a hands-on activity! Science scholars explore the solar system by building it wherever they choose during an interactive from PBS's Space series. Users pick both the location and scale for...
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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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Lesson Plan
Curated OER

Scale factors: Ratios and Proportions

For Teachers 8th - 11th
Students create building and models using scale factors. In this geometry lesson, students apply the properties of ratio and proportion to solve problems. They identify the means and extremes property of cross multiplication.
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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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Lesson Plan
Journey Through the Universe

A Scale Model Solar System

For Teachers 9th - 12th Standards
Between the time scientists discovered Pluto and reclassified it as a dwarf planet, it did not even make one full revolution around the sun. In two activities, scholars investigate scale models and their properties. Pupils find that it...
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Lesson Plan
EngageNY

How Do Dilations Map Angles?

For Students 9th - 10th Standards
The key to understanding is making connections. Scholars explore angle dilations using properties of parallel lines. At completion, pupils prove that angles of a dilation preserve their original measure. 
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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 worksheet, 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
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
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
Curated OER

Exploring Biomes Lesson 4: Mapping Arizona

For Teachers 6th - 10th
Once junior ecologists are familiar with Earth's major biomes, they hone in on Arizona's biomes. Using a website about Arizona's natural resources, learners will identify biotic communities. Beautiful maps and worksheets are provided for...
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Lesson Plan
Curated OER

Exploring Arizona's Biotic Communities Lesson 1: Mapping Biotic Communities

For Teachers 6th - 10th
As part of a unit on Arizona's biotic communities, young ecology learners create a map. They describe how humans and animals adapt in their habitat. They take notes and create graphic organizers from articles they read. Beautiful maps,...
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Lesson Plan
Curated OER

Maps

For Teachers 5th - 10th
Students figure out the mileage from one state to another using a map. In this map instructional activity, students look at the scale factor and turn it into a fraction. They measure the distance between two cities and use the proportion...
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Lesson Plan
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WindWise Education

What Factors Influence Offshore Wind?

For Teachers 6th - 8th Standards
What is that out in the water on the horizon? Teams work together to study the coastline using maps to determine the best and worst locations to place an offshore wind farm. The teams then build a scale model wind farm to see what it...
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Lesson Plan
EngageNY

How Do Dilations Map Lines, Rays, and Circles?

For Students 9th - 10th Standards
Applying a learned technique to a new type of problem is an important skill in mathematics. The lesson asks scholars to apply their understanding to analyze dilations of different figures. They make conjectures and conclusions to...
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Lesson Plan
EngageNY

How Do Dilations Map Segments?

For Students 9th - 10th Standards
Do you view proofs as an essential geometric skill? The resource builds on an understanding of dilations by proving the Dilation Theorem of Segments. Pupils learn to question and verify rather than make assumptions. 
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Activity
101 Questions

Neptune

For Teachers 6th - 10th Standards
Examine an innovative approach to a large-scale model. Pupils across the state of Maine teamed up to create a model of the solar system that spans 40 miles. Put thinking skills to work within your classes as they make the calculations to...
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Lesson Plan
Curated OER

Using Local Geography to Make Maps

For Teachers 6th - 12th
Students research, create, and present a scale representation of the county in which they live.
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Assessment9:05
Mathed Up!

Enlargements

For Students 8th - 11th Standards
Make enlargements with and without centers. Pupils work through seven problems dealing with dilations or enlargements. The first couple items are strict enlargements without centers, while the others have centers. Class members also...
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Lesson Plan
Curated OER

River Run Through It

For Teachers 3rd - 5th
With vocabulary lists, worksheets, and more, this lesson sets learners on an exploration of the Hudson River area. They read an essay about the area, analyze a relief map of New York State, and complete a worksheet.
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Lesson Plan
Curated OER

Isoseismal Maps

For Teachers 5th - 8th
Students examine the difference between magnitude and intensity in earthquakes. They complete map work and write a first hand account of a person living in each level of intensity on the Modified Mercalli Scale.