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Curated OER

Ratios and Proportions

For Students 7th - 10th Standards
This study guide would be great to use when presenting a lesson on ratios and proportions. It includes clear definitions, explanations, and examples to work through as a class or individually. In addition, it has notes on rates and...
Lesson Plan
Curated OER

Algebra/Geometry Institute Summer 2009

For Teachers 7th - 8th
Students investigate linear equations through models. In this algebra lesson, students investigate solving one and two step equations. Review solving a basic equation before starting this assignment.
Lesson Plan
Virginia Department of Education

Inequalities

For Teachers 7th
Not all resources are created equal — and your class benefits! Scholars learn how to solve one-step inequalities using inverse operations. They complete an activity matching inequalities to their solutions.
Worksheet
Curated OER

Basic Polynomial Operations

For Students 9th - 10th
In this basic polynomial operations worksheet, students identify polynomials by degree and number of terms, and perform operations of addition, subtraction, and multplication. There are also a few critical thinking questions included....
Lesson Plan
CPM

Direct, Joint, and Inverse Variation

For Students 8th - 11th Standards
Here is a quick guide to direct, joint, and inverse variation used in realistic situations. Each topic has a page of notes and examples followed by practice problems. The resource explains each type of variation and provides their...
Lesson Plan
Curated OER

Changing the Currency of Different Countries

For Teachers 7th
Seventh graders explore changing currency. In this international math lesson, 7th graders will write and solve 2-step equations in order to convert currencies between nations. Students will research prices of items and currency...
Lesson Plan
Curated OER

Homecoming Tickets

For Teachers 7th - 10th
Students solve word problems using systems of equation. In this algebra lesson, students use computer and graphing to graph and analyze their solution. They solve system involving inequalities.
Worksheet
Curated OER

Weighted Averages

For Students 8th - 11th Standards
Weighted averages can be tricky to explain! However, this study guide makes it easy for teachers by including definitions, explanations, and breaking down problems into three steps. Includes mixture problems and uniform motion problems.
Lesson Plan
Virginia Department of Education

Solution Concentrations

For Teachers 9th - 12th Standards
What happens when you combine 6.022 times 10 to the 23 piles of dirt into one? You make a mountain out of a mole hill. Scholars use dehydration to obtain percent composition and then calculate the molarity of the original...
Lesson Plan
EngageNY

Geometric Sequences and Exponential Growth and Decay

For Teachers 10th - 12th Standards
Connect geometric sequences to exponential functions. The 26th installment of a 35-part module has scholars model situations using geometric sequences. Writing recursive and explicit formulas allow scholars to solve problems in context.
Lesson Plan
Curated OER

Algebra...Your Second Language

For Teachers 9th - 11th
Help learners translate word problems into algebraic equations. They will rewrite words using symbols and evaluate algebraic expressions using real life scenarios, animation sequences, video presentations, and activities to help students...
Worksheet
Curated OER

Substitution and Elimination

For Students 9th - 12th
In this substitution and elimination worksheet, students complete short answer problems for substitution and elimination and read notes about them as well. Students complete 13 problems.
Lesson Plan
Curated OER

Make a Pass at Me

For Teachers 9th - 11th
Learners identify different types of functions and units of measurements. In this statistics lesson, students will collect data, graph their data and make predictions about their data. They plot a linear regression graph.
Lesson Plan
Curated OER

Building Sets of 13 and 14

For Teachers Pre-K - 1st
Compose and decompose sets of 13 and 14 and compare sets of each with your little learners. They use objects to construct sets of 13 and 14, record their answers, and compare sets in several different ways.
Lesson Plan
Curated OER

Spreadsheet Function Machine

For Teachers 7th - 8th
Young scholars create a spreadsheet to analyze functions. In this algebra lesson plan, students use spreadsheets to find the intersection of systems of equations. They identify the dependent and independent function as it relates to a line.
Worksheet
Curated OER

Numerical Analysis: Polynomials

For Students Higher Ed
In this polynomial learning exercise, students explore functions, determine the least square error, and explore quadratic spline interpolation. This two-page learning exercise contains approximately six problems.
Lesson Plan
Curated OER

Subtracting Integers with Counters

For Teachers 7th - 9th
Students subtract integers using counters. In this algebra lesson, students solve linear equations using an online tool. They use subtraction to isolate the variable.
Lesson Plan
Curated OER

The Elimination Method

For Teachers 10th
Tenth graders investigate the Elimination Method in the solving of equations. They solve the equation using this method in examples with the teacher and then transfer the new knowledge to independent practice.
Lesson Plan
Curated OER

Pendulum Problems

For Teachers 9th
Ninth graders explore how pendulums function.  For this pendulums lesson students complete a pendulum lab activity. 
Lesson Plan
Curated OER

Marcy's Dots

For Teachers 9th - 12th
Students identify the pattern changes that could occur in a series using pictures with dots. They use the patterns on the worksheets to have a context to describe pattern in words. Students look to find the linear, quadratic, or...
Worksheet
Curated OER

Geometric Coordinates

For Students 7th - 8th
In this geometric coordinates worksheet, students solve and complete 3 different types of problems. First, they use the equations provided to complete the table on the right. Then, students plot the x- and y- coordinates on the graph to...
Lesson Plan
Curated OER

The Cuisenaire Four-Pan Algebra Balance: Limitations and Suggestions

For Teachers 8th - 9th
Students illustrate the concept of balancing equations using a Four-Pan Algebra Balance. In this balancing lesson plan, students visualize why it is necessary to add or subtract the same quantity on both sides of an equation when solving...
Lesson Plan
Curated OER

Quadratics: Vertex Form

For Teachers 9th - 12th
Students practice graphing quadratic equations. They work to solve and equation involving finding the vertex using given formulas. Once their points have been graphed, students determine the direction in which the angle opens. Worksheets...
Lesson Plan
Virginia Department of Education

Determining Direct Variation

For Teachers 8th - 11th Standards
Once learners realize what direct variation is, they see it's just a type of linear function. The lesson poses a general question that leads to the creation of the y = kx formula. The resource includes discussion prompts and ideas for...