Curated OER
Linear Systems: Lengths and Dot Products
In this dot product worksheet, students explore the multiplication of vectors. This two-page worksheet contains explanations, examples, and approximately ten problems.
Curated OER
Chapter 4 - Objective 3.1 - Perimeter & Angle Measure
In this perimeter and angle measure instructional activity, students find the length of the side of triangles and rectangles from given information. They read story problems, write equations and solve the problem. This one-page...
National Nanotechnology Infrastructure Network
Scale Models
With instructions to adapt the activities for any grade K-12, any teacher can incorporate the concept of scale into the classroom with a simple, yet effective lesson.
Charleston School District
Pythagorean Theorem and Converse
You've heard that it is true, but can you prove it? Scholars learn the Pythagorean Theorem through proof. After an overview of proofs of the theorem, learners apply it to prove triangles are right and to problem solve. This is the second...
PBS
Arguing over Area
With the help of the Area Officers and Perimeter Patrol, you learners will develop a better understanding of area and its relationship to perimeter. First, they view a video clip from Cyberchase, and then they visit a website to test...
Maths Revisions
Scaled Drawings
Your carpenters will enjoy learning scaled drawing techniques and applying their new knowledge to make some real-life scale drawings of gardens. Your carpenter scholars will be reviewing some basic skills in a warm-up section of problems...
Bowland
Highway Link Design
Discover a renewed appreciation for the highway transportation department. with a lesson that has scholars design a highway route that meets certain conditions, including traffic flow, curves, speed limits, financial costs, and...
Teach Engineering
Applying Statistics to Nano-Circuit Dimensions in Fabrication
Do flexible circuits change dimensions during fabrication? Groups use GeoGebra software to measure the length of pictures of flexible nano-circuits. To determine if the circuits change dimensions, future engineers use Microsoft Excel to...
Curated OER
Height Museum
Here is an engaging lesson which invites learners to cut a strip of adding machine tape that is their height. They decorate their strip, arrange the strips from shortest to longest, and then discuss predictions.
Curated OER
Surface Area and Volume of Cubes
In this surface area and volume worksheet, 10th graders identify and complete 3 different problems that include determining the surface area and volume of cubes. First, they use their ruler to find the width and height of each cube....
Curated OER
Representing Fractions, Decimals, and Percents
In this fractions, decimals, and percents lessons, students explore various methods of representing fractions. They demonstrate situations that represent rational numbers. Students create a foldable exploring fractions, decimals and...
Georgetown University
Cup-Activity: Writing Equations From Data
Determine how cup stacking relates to linear equations. Pupils stack cups and record the heights. Using the data collected, learners develop a linear equation that models the height. The scholars then interpret the slope and the...
Shodor Education Foundation
Squaring the Triangle
Teach budding mathematicians how to square a triangle with an interactive that shows a graphical proof of the Pythagorean Theorem. Pupils alter the lengths of the legs using sliders. Using the inputted lengths, the applet displays the...
West Contra Costa Unified School District
Investigating Similar Triangles
Let your use of the resource be in proportion to its usefulness. Pupils investigate similar triangles by measuring side lengths and considering given angle measures. The results of the investigation help develop generalizations about...
Curated OER
Double-the-Design Yarn Paintings!
Students cut yarn into several different lengths and fold paper in half, using skills for measuring and fractions. Then they use unconventional items (yarn) as tools to create mirror-image art and experience first-hand the math idea of...
CK-12 Foundation
Identifying Sets of Pythagorean Triples: Matching Problem
What sets of whole numbers make up the measures of side lengths in right triangles? Pupils use an interactive triangle to learn about Pythagorean triples. Individuals find missing values in triples and learn more about Pythagorean...
Corbett Maths
Constructing ASA Triangles
The narrator of a short video explains the steps in constructing a triangle given the measure of two angles and the length of the side between the angles. The resource provides opportunities for pupils to practice the skill with two...
Radford University
Developing a Trigonometry Phone App
What's one more app? After reviewing how to calculate missing side lengths or angle measures in a right triangle, pupils create instructions for a phone app to do all of the tedious work. They must consider all nine cases of known...
Pennsylvania Department of Education
Length and Perimeter
Third graders explore tessellations and the spatial concepts used in creating them. In this tessellations lesson plan, 3rd graders rotate, reflect and transform shapes to create tessellations. Students become familiar with the...
Curated OER
The Is No Such Thing as a Perfect Pumpkin
Learners explore using descriptive words to describe physical appearance. In this appearance lesson, students look at pumpkins and discuss how there is not a perfect pumpkin. Learners also hypothesize about what the perfect pumpkin's...
Curated OER
Changing Twines: Exploring Area and Perimeter
Third graders review formulas for area and perimeter in quadrilaterals. They arrange pre-cut twine on a centimeter graph paper to create non-congruent quadrilaterals. They calculate the perimeter and area of each form.
Curated OER
How Big?
In this length and width worksheet, 2nd graders draw 6 specific items or objects that are the following measurements: 6 feet tall, 3 inches long, 9 inches long, 1 inch wide, 25 feet long and 4 feet long.
Curated OER
How Far Along Each Line Are The Arrows?
In this how far along each line are the arrows worksheet, students determine the length on sixteen different lines. Students show the percentage and/or decimal equivalent of their answers to each line.
Curated OER
Teddy Bears and Friends
Children begin by making direct comparisons between objects and putting a number of objects into order according to length. They are also introduced to measuring with multi-link cubes which allows them to compare objects which cannot be...