Curated OER
Moving Straight Ahead
Pupils analyze the relationship between speed, time and distance. In this math instructional activity, students plan a school trip. Pupils determine the efficiency and cost effectiveness of a trip.
Shodor Education Foundation
An Introduction to Arithmetic and Geometric Sequences
Help your class look for patterns as they create their own arithmetic and geometric sequences. Engage learners with an introductory discussion on sequences and use the applet to let them explore how sequences are formed. Teachers might...
Virginia Department of Education
Properties
Examine some properties that don't require a general contractor. Scholars first complete a mental math activity that uses the properties of real numbers. A separate activity formalizes these properties.
Curated OER
Subtraction With Integers
This thorough introduction to the concept of subtracting negative integers walk learners through the necessary steps using teacher modeling and guided practice. Number lines and various word problems are used to support understanding of...
Super East Math
Long Division with Whole Numbers
Learning long division can be an difficult journey for young mathematicians, but this simple skills practice worksheet will help them on their way to fluency.
Curated OER
Pythagorean Theorem
Students solve right triangles using the Pythagorean Theorem. In this solving right triangles using the Pythagorean Theorem instructional activity, students find the missing side of a right triangle. Students find the...
Curated OER
Factoring to Solve Quadratic Equations
Ninth graders solve quadratic equations. In this factoring lesson, 9th graders answer questions from the text and complete a worksheet.
Curated OER
Does Order Really Matter?
Investigate the order of operations! Learners participate in interactive multi-media activities to examine and solve multi-step equations, inequalities. They evaluate formulas and simplify monomials and polynomials.
Shodor Education Foundation
Pythagorean Theorem
Most adults remember learning about the Pythagorean theorem, but they don't all remember how to use it. The emphasis here is on developing an intuitive understanding of how and when to use the theorem. Young mathematicians explore...
EngageNY
Calculating Probabilities of Events Using Two-Way Tables
Tables are useful for more than just eating. Learners use tables to organize data and calculate probabilities and conditional probabilities.
West Contra Costa Unified School District
Quadratic Equations — What We Know
Everything you could possibly want to know about quadratic equations, all in one resource. Instructors demonstrate how to translate between different forms of quadratics (equation, table of values, graph, verbal description) and finding...
EngageNY
Conditional Relative Frequencies and Association
It is all relative, or is it all conditional? Using an exploration method, the class determines whether there is an association between gender and superpower wish through the use of calculating conditional relative frequencies. The...
Shodor Education Foundation
Visual Patterns in Tessellations
Geometers explore the concept of tessellations. They use a tessellation applet to manipulate shapes and design their own tessellation using the applet.
Shodor Education Foundation
Estimating With Fire
Watch the damage from a forest fire in this interactive simulation activity that challenges learners to estimate the burn area using different approaches. Learners are given a worksheet to track the different burn patterns and practice...
EngageNY
Solution Sets to Equations with Two Variables
Can an equation have an infinite number of solutions? Allow your class to discover the relationship between the input and output variables in a two-variable equation. Class members explore the concept through tables and graphs and...
West Contra Costa Unified School District
Solving Equations Using Balance Scale, Decomposition, and Graphing
There's more than one way to solve an equation — three, actually. Scholars learn how to solve simple linear equations in one variable using three different methods, which include using balance scales, using decomposition (e.g., turning...
EngageNY
The Concept of a Function
Explore functions with non-constant rates of change. The first installment of a 12-part module teaches young mathematicians about the concept of a function. They investigate instances where functions do not have a constant rate of change.
West Contra Costa Unified School District
Introduction to Solving Linear Inequalities in One Variable
Life isn't fair ... like inequalities. After first reviewing inequality symbols and how to read inequality statements, learners discover how to solve one-step inequalities and graph their solution sets.
EngageNY
Determining the Equation of a Line Fit to Data
What makes a good best-fit line? In the 10th part of a 16-part module, scholars learn how to analyze trend lines to choose the best fit, and to write equations for best-fit lines to make predictions.
Curated OER
Conversions That Make Cents
Eighth graders practice calculating problems using addition, subtraction, multiplication and division. They estimate solutions to algebraic problems. They also graph their solutions.
Curated OER
Introduction to Economics
Students develop the concept of supply and demand. In this economics lesson, students listen to a lecture and take notes on supply and demand. Students create a coherent set of notes about supply and demand.
Curated OER
Topic 5: Running the Business
Young scholars explore the concept of running a business. In this running a business lesson, students put their plan of action into practice. Young scholars market a product and try to maximize profit.
Curated OER
Topic 6: Evaluating and Presenting Results
Students construct spreadsheets from raw data. In this spreadsheet construction lesson, students compile data into Microsoft Excel. Students familiarize themselves with entering and presenting data in a spreadsheet.
Curated OER
It's a Party! Solving Multi-step Equations
Students explore the concept of multi-step equations. In the multi-step equation instructional activity, students solve equations by the 'party method'. Students make a flip book that shows the steps in solving multi-step equations.