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Instructional Video21:05
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Flipped Math

Circles and Arc Lengths

For Students 9th - 12th Standards
Discuss all things round and round. Pupils review finding area and the circumference of circles and use them to solve problems. Next, they learn about central angles and their relationships to measures of arcs. Learners then find out how...
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Lesson Plan
Curated OER

Makeshift Measuring Tools

For Teachers 5th
Fifth graders practice measuring items with unique tools.  In this length lesson, 5th graders examine several household items and must decide if they want to use a pencil width, piece of paper, or their thumb to measure the item....
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Lesson Plan
Curated OER

Arc Length Lesson

For Teachers 9th - 11th
Students find the length of the arc of a circle. In this geometry instructional activity, students calculate the length of an arc and find the measure of the central angle given the length of the arc. They convert between linear and...
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Worksheet
Curated OER

Rectangle: Angle and Lengths

For Students 9th - 12th
In this quadrilateral worksheet, students determine the measures of angles and their side lengths of a rectangle. There are 15 questions with multiple parts.
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Worksheet
Curated OER

Arc Length Transparencies

For Students 9th - 10th
In this geometry worksheet, students use an arc length transparency to calculate the circumference and arc length of a circle. There are 18 questions.
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Worksheet
Curated OER

Finding the Distance in Length

For Students 7th
In this distance learning exercise, 7th graders solve and complete 10 different problems that include determining the distance in various equations. First, they solve each of the problems by showing their steps taken. Then, students...
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Worksheet
Curated OER

Similarity of Length, Area, and Volume

For Students 9th - 11th
In this similarity worksheet, students determine the length, area and volume of similar figures. This three-page worksheet contains explanations, examples, and 20 problems. Answers are provided on page three.
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Worksheet
Curated OER

Using Trigonometry to Find Lengths

For Students 9th - 11th
For this trigonometry worksheet, students use trigonometric ratios to find the length of a missing side. This four-page worksheet contains 18 multi-step problems. Answers are provided on the last two pages of the worksheet.
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Lesson Plan
Curated OER

Measurement Masterpiece

For Teachers K - 5th
Here is a good, cross-curricular measurement and estimation lesson. Learners practice measuring paper strips to create an art project. This is a great way to introduce the ruler, and how it used, to your students.
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Worksheet
Curated OER

Measurement: Perimeter

For Students 10th
In this perimeter worksheet, 10th graders identify and complete 9 different problems that include determining the perimeter of various figures. First, they complete the table by writing the number of sides in each figure listed on the...
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Interactive
CK-12 Foundation

Conversion between Degrees and Radians: Arc and Radians Relationship

For Students 10th - 12th Standards
How are arc lengths and radians related? An interactive resource demonstrates the relationship as pupils create arc lengths in a unit circle and compare them to the angle measurements. Questions ask individuals to build upon this...
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Lesson Plan
Curated OER

Surface Area and Volume

For Teachers 5th - 8th
Upper graders identify the surface area and attributes of figures that are measurable. They estimate, measure, and record perimeter, area, temperature change, and elapsed time, using a variety of strategies. They also determine the...
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Lesson Plan
Curated OER

Tall Towers

For Teachers K - 2nd
Linear measurement is the focus of this math lesson. Youngsters work in groups to build towers with blocks. They build towers represented on index cards and determine how many blocks taller one tower is.
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Worksheet
DK Publishing

Areas of Rectangles and Squares

For Teachers 3rd - 4th Standards
Each of these rectangles and squares has the length and width given with units. Can scholars solve for the area? Designed for beginners to this skill, all of these are whole-number single-digit measurements. There is a detailed example...
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App
Oddrobo Software

King of Math Junior

For Students K - 6th Standards
Do your students have what it takes to be the king of math? Find out with this fun skills practice game that covers a wide range of topics from counting and basic operations to measurement and fractions.
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Lesson Plan
Curated OER

Exploring Number and Operation in Secondary Mathematics

For Teachers 5th - 8th
Young geometers need a clear understanding of perimeter, volume, and area. This lesson provides a worksheet to help small groups of learners to calculate various measurements of objects and choose the proper units for measurement. It...
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Lesson Plan
Curated OER

Measuring Length: Practice A

For Teachers 9th
Ninth graders investigate the segment addition postulate.  In this geometry lesson, 9th graders explore the difference between equal and congruent in relation to segment length.  The lesson includes an algebra application and a word...
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Lesson Plan
Curated OER

Does Your Field Measure Up

For Teachers 9th - 11th
Students measure angles using a plane table kit. In this geometry instructional activity, students use trigonometric identities to find the values of the length of a football field.
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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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Worksheet
Curated OER

Finding the Area

For Teachers 3rd - 4th Standards
For each of these eight rectangles, scholars write out the multiplication sentence to find the area given the side measurements. They use an example for reference and must remember to include square feet in their answer. All measurements...
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Worksheet
Curated OER

Simple Area of a Rectangle

For Students 3rd - 4th
These rectangles have everything scholars need to find the area, but none of them has units. Beginners to this skill multiply the length and width, all of which are whole numbers, to calculate and record the area for each. Consider...
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Lesson Plan
Utah Education Network (UEN)

Finding Missing Lengths of Similar Triangles

For Teachers 7th - 10th
Middle and high schoolers explore the properties of similar triangles. In this geometry lesson, pupils play a similarity basketball game, sketch similar triangles, and find the missing measures of similar figures. They find the height of...
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Assessment
Concord Consortium

Measuring the Unit Circle

For Students 9th - 12th Standards
Here's the right task to investigate right triangles in the unit circle. A short performance task has learners determine the product of two side lengths in a unit circle. They must apply similarity concepts and trigonometric ratios to...
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Worksheet
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Curated OER

Radian Measure

For Students 11th - 12th
In this Algebra II/Pre-calculus worksheet, students explore radian measure of an angle and convert between degree and radian measure. The seven page worksheet contains explanation, examples, and nineteen multi-part problems. Answers are...

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