# Indirect Teacher Resources

Find Indirect lesson plans and worksheets

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#### How Do You Solve a Problem Using Indirect Measurement with Shadows?

Using indirect measurement, this video shows viewers how to find the height of a flagpole. The lecturer employs drawings as well as proportions to solve this problem, explaining each step. A useful resource to aid struggling learners and...

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#### How Do You Solve a Problem Using Indirect Measurement with Shadows?

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#### Indirect Measurement: Lesson

When the tape measure will not reach, use similarity. An installment of a large playlist on geometry introduces the method of indirect measurement. Using a story of finding the distance to the sun, the video shows how to use similar...

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#### Landscape Architects: Working with Indirect Measurement

Working as a landscape architect, your designers calculate the measurement of the school flagpole as a guide to picking the right trees for their plan. Using indirect measurement with proportions, the goal is to calculate how high they...

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#### Forest Measurements: An Applied Approach

Geometry—it's not just for the math classroom! Learners explore the field of forestry through a mathematical lens. An instructional resource explains how forest workers collect data about trees such as height, diameter, and age using...

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#### How Do You Measure the Immeasurable?

How do you measure a distance where the measurement tool will not reach? Pupils use the concept of similar triangles to perform indirect measurements. The lesson asks teachers to demonstrate the method and lead the class through a set of...

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#### Measuring Shadows Using an Ancient Method

How did ancient peoples determine the height of really tall objects? Young scientists and mathematicians explore the concept of using shadows to measure height in a hands-on experiment. Paired pupils measure shadows, then calculate the...

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#### Direct and Indirect Measurement of Area

In this measurement of area worksheet, 7th graders identify and complete 5 different problems that including determining the measurement of an area in a shamrock figure. First, they determine the area of the shamrock illustrated by...

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#### REALLY Tall!

Conduct indirect measurements three ways. Working in groups, pupils come up with different ways to measure three tall objects indirectly. The teacher provides measurement information requested by the teams, and learners then calculate...

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#### Looking Up--Indirect Measurement Using Trigonometry

Young scholars solve indirect ratios. In this indirect measurement lesson, students explore trigonometric functions and ratios using outdoor objects. They estimate heights and perform indirect measurements.

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#### Measuring Angles: Lesson

Develop a degree of measurement. With the aid of a protractor, the video shows how to measure angles. The segment of a larger playlist on geometry basics points out that it is possible to start at a value other than zero when measuring...

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#### Measuring Distances: Lesson

Let's rule the coordinate plane. By reviewing the marking on rulers, the video discusses how to determine the measurement between two points. The resource, a portion of a basic geometry playlist, determines the length of a side of a...

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#### Trigonometry Word Problems: Lesson

Look up or down to find the answer. A segment of an extensive playlist on geometry introduces angle of depression and elevation to find indirect measurements. Using trigonometric ratios, the presentation finds missing sides and angles...

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#### Measuring Up

Proportional reasoning, ratio, and indirect measurement come to life in a series of seven lessons. Learners will convert measurements into customary and metric units. They also use real-world examples to solve problems involving scale as...

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#### Indirect Measurement Techniques-- Grade Eight

Eighth graders explore indirect measurement. In this elementary mathematics lesson, 8th graders use shadows and the concept of similarity mirrors to see reflected images and use a stadia to conduct indirect measurement. The lesson...

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#### Landscape Architects: Working with Indirect Measurement

Young scholars measure the flag pole using indirect measurement. In this geometry activity, students use the properties of geometry and indirect measurement to landscape properties. They relate indirect measurement to architecture and...

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#### Ballooning Inside the Box

Young scholars use similar triangles to solve a real-world problem. For this geometry lesson, students explore properties of ratios and proportion as used in similar triangles and use proportions to determine the indirect height of an...

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#### Measuring Arc Length: Lesson

Slice off a piece of pi! A section of an extensive playlist on geometry develops the formula to find the length of an arc. Using the formula, the presentation works through examples finding the arc length, the radius, and the measure of...

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#### How Tall Am I?

Which method results in a better estimate of the height? Using different methods, groups estimate the height of three objects on campus. They record their measurements and any necessary computations and compare them to the actual...

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#### How Tall Is It?

Find the height from afar. Teams role play as summer interns to find the height of a set of windows from the outside. Scholars must first determine how to find the height with the available tools. After determining a strategy involving...

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#### Should I Get My Mole Checked Out?

You definitely want to check out this mole! Chemistry scholars experiment to observe an unobservable quantity with an engaging lesson plan from K20. Partners collaborate to determine what's inside an opaque box, then complete a series of...

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#### How Do You Find Missing Measurements of Similar Figures Using a Proportion?

Two similar triangles have the same angles, but their legs have different lengths. This means their angles are congruent, and thusly, their corresponding sides are congruent. So there is a missing measurement that needs to be found. Set...

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#### Countdown Challenge: Shadow Sleuth

In this shadow sleuth instructional activity, students use proportions and indirect measurement to determine the measurement of given objects. This one-page instructional activity contains three problems.

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#### Measuring Beads

Students compare the weight of the students's favorite soft toys directly and then indirectly using beads.