Lesson Plan
EngageNY

Law of Cosines

For Teachers 11th - 12th Standards
Build upon the Pythagorean Theorem with the Law of Cosines. The 10th part of a 16-part series introduces the Law of Cosines. Class members use the the geometric representation of the Pythagorean Theorem to develop a proof of the Law of...
Instructional Video14:29
2
2
Flipped Math

Addition Postulate

For Students 9th - 12th Standards
Add a little algebra to the geometry. Class members learn about the Addition Postulate for segments and angles. The pupils use their knowledge of solving equations to find lengths of segments and measures of angles. Individuals apply...
Worksheet
Curated OER

Column Addition, 3-Digit and 4-Digit Numbers

For Teachers 3rd - 5th Standards
Show scholars that if they can add two multi-digit numbers, they can add four! They complete 20 practice problems adding three and four-digit numbers. All the equations have four addends and include units. All numbers are whole numbers....
Worksheet
Curated OER

Comparing Areas

For Teachers 2nd - 3rd Standards
Before your scholars know how to multiply side lengths to find an area, give them some practice in simply counting units. They examine shapes that have already been segmented into units, counting them to get the area. There are three...
Worksheet
Yummy Math

2015 Macy's Thanksgiving Parade

For Students 2nd - 5th
Take a seat on the parade route with a holiday-themed set of word problems. Young mathematicians answer questions based on the annual Macy's Thanksgiving Parade in New York City, including finding the average number of members in a...
Assessment
Mathed Up!

Similar Shapes

For Students 8th - 11th Standards
Similar shapes are all about the scale. Given seven problems, pupils use scale factors to determine measurements within similar shapes. While solving the problem, scholars also determine whether two figures are similar and use...
Worksheet
Curated OER

Which One Could Make This Shape?

For Students K - 2nd
Explore two and three-dimensional shapes. Learners first examine three 2-D shapes and determine which of three 3-D figures could have made that shape. The wording here is a bit confusing; make sure your kids understand what it is...
Worksheet
Curated OER

Great Designs

For Students 3rd - 6th
In this measuring worksheet, students use a centimeter ruler to measure the perimeter of 3 figures. They then draw 4 shapes in the grid on the page.
Lesson Plan
Curated OER

Converting Metric Units Of Length

For Teachers 7th - 10th
In this converting metric units of length worksheet, learners convert thirty metric units of length as directed by following the instructions on the worksheet.
Worksheet
Curated OER

Metric and Customary Units of Length 2

For Teachers 4th - 7th
In this math worksheet, students practice the skill of converting measurements. The answers are found through using the right conversion formula.
Worksheet
Curated OER

Ruler Race

For Students 2nd - 3rd
In this length measurements worksheet, students play a game with a partner that helps them measure the three lengths on the pie charts. Students spin a pencil or paper clip to find the measurement and use a ruler to draw the length from...
Worksheet
Curated OER

Perimeter of Parallelogram

For Students 7th - 9th
In this perimeter activity, students determine the perimeter of parallelograms.  This one-page activity contains 6 problems.  Answers are provided on the last page.
Worksheet
Curated OER

Quiz: Error in Measurement

For Students 10th - 12th
In this error in measurement quiz, students read given problems and determine the percent of error, find the absolute error, the relative error, and identify the limits. This one-page worksheet contains ten problems.
Assessment
Concord Consortium

Square-Ness

For Students 9th - 11th Standards
Are there some rectangles that are more square than others? A thought-provoking task asks individuals to create a formula that objectifies the square-ness of a set of rectangles. They then use their formulas to rank a set of...
Instructional Video3:08
Corbett Maths

Constructing SSS Triangles

For Students 8th - 11th Standards
Creating a triangles is as easy as 5, 6, 7. Using a ruler and compass to measure off lengths, a short video shows how to construct a triangle with three specific side lengths. The example creates a triangle with side lengths of 5 cm, 6...
Assessment
Mathed Up!

Pythagoras' Theorem

For Students 7th - 10th Standards
Use a right method to find a distance. Given a right triangle, class members find the length of one side given the measurement of the other two sides—the missing side may or may not be the hypotenuse. A video reminds the pupils how to...
Lesson Plan
1
1
Wind Wise Education

What are Wind Shear and Turbulence?

For Teachers 6th - 12th Standards
Let's go fly a kite. By flying a kite, class members observe the difference in air flow. The class notices the characteristics of banners tied to the kite string to determine where wind turbulence stops. Adding an anemometer to...
Assessment
Illustrative Mathematics

The Pet Snake

For Students 1st Standards
Assess how long the class pet snake grew and how long it was when it started growing with a short learning exercise. Learners use addition and subtraction strategies with measurements to answer three questions.
Instructional Video3:10
Corbett Maths

Hexagon Inscribed Within a Circle

For Students 8th - 12th Standards
Mark off the length of the radius around the circle. Using a compass, the presenter shows how to construct a regular hexagon in a circle. Pupils see how triangles formed in the hexagon are equilateral, allowing for the construction to...
Worksheet
Curated OER

Reading Ruler

For Students 6th
In this ruler worksheet, 6th graders identify and complete 10 different problems that include reading various lengths of a ruler illustrated. First, they read each ruler shown on the sheet. Then, students write the length of the red line...
Worksheet
Curated OER

Measuring Lines in Centimeters

For Students 1st - 2nd
In this measurement worksheet, students use a ruler to measure the various lines. Students write the lengths in centimeters on the provided lines.
Worksheet
Curated OER

Metric Mania Worksheet

For Students 6th - 9th
In this metric worksheet, learners complete 28 different metric calculations consisting of density, volume, mass, length, temperature, and time.
Worksheet
Curated OER

Leveled Problem Solving Scale Drawings and Models

For Students 5th
In this scale drawings worksheet, 5th graders learn to solve measurement problems using scale drawings and models for the six word problems.
Worksheet
Curated OER

Arcs and Chords

For Students 10th
In this arcs and chords learning exercise, 10th graders solve 7 different types of problems related to identifying arcs and chords in a circle. First, they find the measure of each arc to the nearest tenth, if O is the center point....

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