CK-12 Foundation
Additive and Multiplicative Rules for Probability: Red Dress? Blue Dress? Both!
The sum of the parts is greater than the whole. An interactive uses a Venn-like model to show the percentage of females from a survey that have a blue dress, a red dress, or both. The pupils determine the numbers in each category...
CK-12 Foundation
Angle Measurement: Fuel Gauge Angles
Once you start looking, angles appear everywhere in our daily lives. A creative lesson has learners use the angles created by a fuel gauge to practice the Angle Addition Postulate. They see how changing the angle parts does not...
Curated OER
What Does it Take to be a Survivor? Part One
Students explore marine animal adaptation. In this introductory ocean life biology lesson, students access prior knowledge by participating in a whole class "thought swap." Students form two lines, respond to a prompt from the teacher...
Curated OER
Fractions of Quantities
What is 1/4 of 36? The class will work through six examples and 4 problems to better understand the relationship between fraction and quantity. The first six example show how a whole is broken into equal parts and is represented as a...
Curated OER
Fractions Describe Parts of a Whole
Third graders represent fractions as part of a whole. In this fractions lesson, 3rd graders use manipulatives to show how a fraction is a part of a whole. This lesson includes individual practice and an assessment instead of direct...
Curated OER
Compare Fractions Using Fraction Circles
Fourth graders practice ordering fractions using models and drawings. In this math model lesson plan, 4th graders utilize colored blocks and drawings to show an equal representation of given fractions. Students compare and...
Curated OER
The Whole is More Than Half
Learners explore number sense by completing a food related fraction activity. In this parts of a whole lesson, students utilize a graham cracker to divide and identify what a quarter, third, or half looks like. Learners eat their snack...
Curated OER
Math Vocabulary Review
In this math vocabulary worksheet, students read a set of 15 math related definitions and write the words being defined. A reference web site is included for additional activities.
Curated OER
Fractions and Panes
Students recognize the fractional values of window panes as part of the whole window. In this window panes lesson, students listen to a story about window panes and sing a song. Students look at pictures of windows and write fractions...
Curated OER
The Case of the Biological Biosphere: Health, Math, Technology
Learners investigate various aspects of the human body in this imaginative Tree House Detective episode about the biological biosphere. In a series of They take measurements, analyze data, and use technology. The lessons...
Curated OER
Fractions in Action
Investigate equivalent fractions with your class. They compare and order fractions. Then they work cooperatively in groups to experiment and problem solve with fractions using a game format. Multiple resources are provided.
Curated OER
Comparing Apples With Apples 1
Elementary schoolers observe and demonstrate how to add and subtract fractions with like denominators. They observe the teacher model a variety of fraction addition and subtraction problems and use fraction strips to complete a worksheet.
Curated OER
Picture Board
Learners divide a poster board so everyone gets the same amount of area to decorate. Youngsters talk about the different ways to divide a rectangle. They measure their lines to make sure that each piece is equal and then decorate their...
Science Geek
Percent Composition, Empirical and Molecular Formulas
Help your pupils understand when empirical becomes molecular. The lesson presentation demonstrates the connection between empirical formulas and molecular formulas. Then, given percent composition, the lesson demonstrates the steps to...
West Contra Costa Unified School District
Simplifying Fractions Activity
Warm-up pupils' fraction muscles with a four-question quiz, then delve into a learning game designed to reinforce the concept of simplifying fractions. Based on the "I do, We do, You do" method of teaching, the instructional...
EngageNY
Applying Tangents
What does geometry have to do with depression? It's an angle of course! Learners apply the tangent ratio to problem solving questions by finding missing lengths. Problems include angles of elevation and angles of depression. Pupils make...
Rice University
Prealgebra
Pre-algebra—all wrapped up in one place. The eBook contains everything needed to teach a typical Pre-Algebra course. Concepts in the course build upon previously learned concepts, allowing mathematicians to see the connections between...
Rochester Institute of Technology
Skateboard Assembly - Cycle Time
Assemble a great lesson on assembly lines. In the first installment of a nine-part technology/engineering series, future entrepreneurs learn about the manufacturing process, specifically about the assembly line and cycle time. The lesson...
Virginia Department of Education
Properties of Real Numbers
Students use paper cups and colored chips to observe properties of operations with real numbers. As a class, students brainstorm and use manipulatives to demonstrate associative, commutative, distributive identity and inverse properties....
Meadows Center for Preventing Educational Risk, University of Texas at Austin
Lesson 10 - Compound Words
Individually, words have power, but when added together, they can take on a whole other level of meaning. Readers learn about compound words in the 10th of 17 lessons of the Word Recognition and Fluency series. A script provides guidance...
University of Colorado
Are All Asteroids' Surfaces the Same Age?
Did you know scientists can tell the age of an asteroid by looking closely at its craters? This final lesson of a six-part series focuses on two asteroids, Gaspra and Ida, in order to demonstrate the concept of dating asteroids. Scholars...
Curated OER
Fractions
Students determine that a fraction is a part of a whole or part of a group. They write and read fractions and solve various fraction problems. They create their own fraction problem using colored candies for their classmate to solve.
Curated OER
Understanding Fractions - Cookbook Comparisons
Learners explore equal fractions in relationship to a whole unit. They fold strips of paper into halves, thirds, etc. and compare them to the first strip which represents a "whole unit." Fractional parts are identified and compared.
Curated OER
Introduction to Decimals
Young math whizzes complete the online instruction, then solve 20 problems about identifying decimals, comparing decimals and fractions and ordering decimals.