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EngageNY
Finding a Rate by Dividing Two Quantities
Develop the right station to solve rate word problems. The 18th lesson plan in a series of 29 starts by interpreting the aspects of rates with two different quantities. Pupils use the interpretation of rates to solve problems, and groups...
EngageNY
The Distance from a Point to a Line
What is the fastest way to get from point A to line l? A straight perpendicular line! Learners use what they have learned in the previous lessons in this series and develop a formula for finding the shortest distance from...
EngageNY
Unknown Angle Problems with Inscribed Angles in Circles
We know theorems about circles—now what? Class members prove a theorem, with half the class taking the case where a point is inside the circle and half the class taking the case where a point is outside the circle. The lesson then...
EngageNY
Using Matrix Operations for Encryption
Data encryption is an important security measure for sensitive data stored on computers. Pupils learn how to utilize matrices for creating code. They also get a great review of matrix multiplication, inverse matrices, and the identity...
EngageNY
Special Lines in Triangles (part 1)
Allow your pupils to become the mathematicians! Individuals explore the properties of a midsegment of a triangle through construction and measurement. Once they figure out the properties, learners use them to draw conclusions.
Curated OER
Math Games for Upper Elementary Students
Keeping skills sharp doesn't have to be a chore. It can be done with math games.
Shodor Education Foundation
InteGreat
Hands-on investigation of Riemann sums becomes possible without intensive arithmetic gymnastics with this interactive lesson plan. Learners manipulate online graphing tools to develop and test theories about right, left, and...
K20 LEARN
Are We Golden?
Lead your class on a search for precious bones. Using a presentation, the class investigates the golden ratio in art and nature. Groups of pupils measure specific bones and find the average ratio for the class. To further cement the...
Charleston School District
Review Unit 2: Congruence and Similarity
Review for the test with a comprehensive list of terms and concepts for the unit on congruence and similarity. It divides divides the sections in the order of the lessons presented during the unit.
Mathed Up!
Pie Charts
Representing data is as easy as pie. Class members construct pie charts given a frequency table. Individuals then determine the size of the angles needed for each sector and interpret the size of sectors within the context of frequency....
Curated OER
Measurement Mania
Second graders observe and demonstrate how to measure different objects. They listen to the book "Corduroy," and measure different aspects of a teddy bear, discuss how to measure using a variety of units of measurement, and complete a...
Curated OER
Hands On Math Lessons with Technology
Students explore a variety of math concepts. In this integrating technology lesson, students visit online webtools such as Max's Math Adventure, I Know That Math, Hands on Banking, and more. A description of each website is provided.
Houghton Mifflin Harcourt
Developing the Concept: Triangles and Quadrilaterals
Exact narrative and examples make this lesson on polygons easy to implement. Through it, your class will learn how to use a protractor and ruler to construct triangles and quadrilaterals according to your directions. Your class will be...
Curated OER
Exploring and Oregon Commodity
A fun (and delicious!) instructional activity teaches measurement to your third graders. They work in small groups to first predict, then to measure the weight, circumference, and number of seeds found in a watermelon. Everyone gets to...
Curated OER
Fill 'Er Up
Middle schoolers identify how many smaller units can be found in a later unit. In this geometry instructional activity, students calculate the volume and the transfer amount to a smaller unit. They solve real life problems using the...
Curated OER
Language of Probability
Enhance your next lesson on probability with a text rich presentation intended to teach the language associated with probability. The use of decimals, fractions, and percents are discussed as well are the terms, likely, unlikely, and...
Curated OER
Getting It Right! An Investigation of the Pythagorean Theorem
Learners construct a variety of right triangles using a right-angled set square, cutting corners from pieces of paper or cardboard, and using dynamic geometry software. They measure the sides of these various right triangles and record...
Curated OER
Measuring Angles
Sixth graders identify and measure right, acute, obtuse, and straight angles. In this geometry lesson, 6th graders review the definition of each angle and are shown examples of each specific angle. Students use toothpicks, gumdrops, and...
Curated OER
All About Measuring with the Metric System
Students discover the metric system through video clips and Internet activities. In this measurements lesson, students practice using the units of measure for the metric system and compare them to the less popular English system....
Curated OER
The Greedy Triangle-Intro to Geometric Shapes
In this geometry instructional activity, learners read The Greedy Triangle and use geoboards to construct geometric shapes. They identify the number of sides and angles each shape has.
Utah Education Network (UEN)
Angles, Degrees, Protractors . . . Oh My!
Fourth and fifth graders make a protractor and identify various angle types. In this protractor and angle lesson, learners make their own protractor and use it to measure a variety of angles. They complete worksheets while identifying...
Wisconsin Online Resource Center
Oversized Inch
Each member of the class creates their own paper ruler. Using their ruler, kids walk around the room measuring the objects you've specified. Discuss how items should be measured to the 16th of an inch, the smallest unit on their ruler....
Noyce Foundation
Time to Get Clean
It's assessment time! Determine your young mathematicians' understanding of elapsed time with this brief, five-question quiz.
Curated OER
How Big Is The Playground?
Students calculate the standard and metric measurements of a playground. In this measurement lesson, students use GPS coordinates and graphing calculators to determine the dimensions of an area outside of the school in both standard and...