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...
Lesson Plan
August House

The Clever Monkey Rides Again

For Teachers 1st - 2nd Standards
Use a West African folktale to practice several different skills in your first grade classroom. Learners read The Clever Monkey Rides Again and focus on rhyming words, reading comprehension, measurement, art, movement, and word...
Interactive
CK-12 Foundation

Pythagorean Theorem for Solving Right Triangles: Solving the Triangle

For Students 9th - 12th Standards
Observe the change in the trigonometric ratios as angles vary. An interactive provides the values of trigonometric ratios for both acute angles in a right triangle. Pupils create a right triangle to match given criteria and find the...
Lesson Plan
Curated OER

Math On Your Lap Quilt

For Teachers 2nd
Get creative juices flowing when you allow groups to figure out a procedure for how to find the area of squares and rectangles. They may use the individual patchwork blocks, or they may design one using the Design Template.
Interactive
CK-12 Foundation

Distance Between Two Points: Segment Addition

For Students 9th - 12th Standards
Examine the segment addition postulate through an online simulation activity. An interactive lesson allows scholars to manipulate points and watch as the lengths of segments change. Through their study, they are able to apply the Segment...
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...
Lesson Plan
Curated OER

Measure Twice

For Teachers 8th - 12th
Students measure a variety of objects using the appropriate measuring tool. For this measurement lesson, students explain the importance of accuracy and precision in collecting data. They discuss the difference between the two.
Lesson Plan
Curated OER

Measuring With a Ruler

For Teachers 2nd
In this home school support worksheet, 2nd graders review the process of measuring with a six inch ruler with a home support person. They practice by measuring small items around the house to the nearest inch.
Worksheet
Curated OER

Estimating Units of Length Word Problems

For Students 2nd - 4th
Which unit of measurement would you use? As your scholars begin to understand measuring, it's important they become familiar with the various units. They examine five object images and match them to one of five units: meters,...
Lesson Plan
Curated OER

Metric Me!

For Teachers 1st - 6th
Young scholars experience measuring things without the system of inches or millimeters. They utilize a ruler to measure or a body part to measure at least three body parts such as your ear height, finger length of foot width. Students...
Lesson Plan
Curated OER

Inching Our Way through Measurement

For Teachers 3rd - 5th
Students review how to use an inch ruler and listen to the story, Inch by Inch by Leo Lionni. For this measuring lesson, students work in small groups to create an Inch Poster. Students then use an inch ruler to measure different objects...
Lesson Plan
Curated OER

Comparing Measurements

For Teachers 3rd - 5th
Students explore measurements by completing worksheets in class. In this geometry lesson, students identify the basic measurement units in both the English and metric systems. Students analyze 2 and 3 dimensional objects and identify...
Lesson Plan
Curated OER

Arc Length - Horse

For Teachers 9th - 12th
Students define an arc and calculate its length. In this geometry lesson, students find examples of arc in the real world. They show their understanding of arcs through problem solving.
Lesson Plan
Curated OER

Measure Object Using English and Metric Systems

For Teachers 5th - 8th
Students are able to measure various objects using English and metric systems within half of the smallest unit of the measurement device. Students identify units of length, volume, mass and temperature according to International System...
Worksheet
Curated OER

Measuring Metric Length

For Students 7th - 8th
In this measuring metric length worksheet, students explore the need for standard units of measure, then answer 15 questions about using metric measures of length.
Lesson Plan
Curated OER

Measurements In The Metric System

For Teachers 3rd
Third graders measure items around the classroom using meter sticks. In this measurement lesson plan, 3rd graders are taught how to measure the length of an item with a meter stick. Inches, centimeters, millimeters, decimeters, and...
Worksheet
Curated OER

What Unit of Measure?

For Students 2nd - 4th
In this units of measurement review instructional activity, students read 10 phrases and determine the units of measurement they would use to measure each of the objects.
Lesson Plan
Curated OER

Length, Perimeter, and Area

For Teachers 2nd - 6th
Students explore the concepts of length, perimeter and area. Students develop an understanding of length, perimeter, and area. Students calculate the area and perimeter of random shapes and calculate the area and perimeter of a triangle...
Worksheet
Curated OER

Metric Measurements of Length

For Students 7th - 9th
In this metric measurements worksheets, students measure stated common objects in millimeters. They convert the measurement to centimeters, meters and kilometers. This one-page worksheet contains 80 problems.
Worksheet
Curated OER

Solve for the Arc Length Problems

For Students 11th - Higher Ed
In this arc length worksheet, students solve for the arc length for four angles.  Three of the angles are given in degrees while the other angle length is given in radians.  The solutions are not provided.
Worksheet
Curated OER

Arc Length and Radian Measure

For Students 10th - 11th
For this arc length worksheet, students convert radians to degrees and degrees to radian measure. Ten problems are provided on this one-page worksheet.
Worksheet
Curated OER

Leafy Lengths

For Students 2nd - 4th
In this length worksheet, students see the lengths of different leaves and answer word problems about them where they put them in a sequenced order. Students complete 3 problems.
Interactive
Curated OER

Ten Multiple Choice Length Problems

For Students 9th - 10th
In this distance activity, students calculate the lengths of sides and diagonals of figures.  Students also compute lengths in shadow problems.  The solutions are provided by clicking on the "show answers" tab at the bottom of...