Worksheet
Curated OER

Metals and Non-Metals

For Students 9th - 12th
A table of the physical properties of metals and non-metals opens this high-school chemistry handout. Also covered are the chemical properties of metals and non-metals, reactivity, and fossil fuels. There are no specific questions to...
Lesson Plan
EngageNY

Segments That Meet at Right Angles

For Teachers 9th - 12th Standards
Can segments be considered perpendicular if they don't intersect? Learners look at nonintersecting segments on the coordinate plane and make conclusions about the lines that contain those segments. They determine if they are...
Lesson Plan
Illustrative Mathematics

Reasoning about Multiplication and Division and Place Value, Part 2

For Teachers 5th - 7th Standards
The learner puts reasoning and estimation to work. The directions are to place a decimal in the answer to make the equation true. Pupils are to look at the two problems, one multiplication and one division, and estimate an answer. No...
Activity
Education Development Center

Distance, Rate, and Time—Walking Home

For Students 8th - 9th Standards
Dig into a classic math problem with your classes. Through an engaging task, learners work with rate and distance information to make conclusions. In the task, two people walk at different rates; one leaves first, and scholars...
Lesson Plan
Curated OER

Grab Bags

For Teachers 8th
Eighth graders graph two inequalities with a single variable. They include drawing the intersection or union of inequalities on a number line. Students solve the linear equations using properties of equality and inequality. The lesson...
Lesson Plan
Curated OER

Balance or Tilt?

For Teachers 6th
Sixth graders solve two-step equations.
Lesson Plan
Curated OER

The Box Problem

For Teachers 9th - 12th
Students investigate the concept of functions and how they are used with polynomials. They practice finding the zeros of functions and graph polynomial functions for the help of giving solutions. Students interpret the curve of a line...
Lesson Plan
Curated OER

Quadratic Formula

For Teachers 10th - 12th
Students factor and solve quadratic equations.In this algebra instructional activity, students identify the roots of an equation using the quadratic formula. They graph and identify the properties of a parabola.
Lesson Plan
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Illustrative Mathematics

Equivalent Expressions?

For Teachers 7th - 8th Standards
Pre-algebra pupils need to understand that two expressions are only equal if they have the same value. Show them that once the expression is multiplied by a number, the value of the expression changes. It makes for a good lead-in to...
Worksheet
Curated OER

Quadratic and Linear Functions

For Students 11th
In this Algebra II learning exercise, 11th graders review and apply the basic concepts for solving linear and quadratic equation. The one page learning exercise contains twelve problems. Solutions are not provided. 
Lesson Plan
Curated OER

Matricies: Meadows or Malls?

For Teachers All
Students explore the use of matrices and graphing calculators to solve a complex linear programming problem. They test their solutions to determine the best division of land use for the city.
Lesson Plan
Curated OER

Systems of Linear Inequalities

For Teachers 9th - 12th Standards
The class solves systems of linear inequalities. They graph lines and identify the point of intersection.They graph lines and identify the boundary that represent the solution and solution set.
Worksheet
Curated OER

Semicircles

For Students 10th
For this geometry worksheet, 10th graders are presented with a problem involving semicircles.  The diagram appears simple, though it turns out to have a many segments to be labeled with variables.  The key to solving the...
Worksheet
Curated OER

Word Problems

For Students 9th
In this algebra activity, 9th graders rewrite word problems into algebraic sentences. They define sum, difference, quotient and factors. There are 5 word problems with an answer key.
Interactive
Curated OER

Factoring Trinomials

For Students 9th - 12th
In this online math worksheet, learners factor a series of trinomials given specific equations. This excellent resource allows the students to check their answers and to get "hints" should they run into difficulties.
Lesson Plan
Virginia Department of Education

Give or Take a Few

For Teachers 6th Standards
Young mathematicians extend their knowledge of rational numbers on a number line to graph inequalities by first using number cards to compare rational numbers. They finish by using similar reasoning to graph inequalities on a number line.
Lesson Plan
Curated OER

Lesson- Infinite Potential Well

For Teachers Higher Ed
Student create a numerical model which integrates Schrodinger's equation in 1 dimension. They discuss the properties of the solutions which match the boundary conditions. Student discusss any limitations if there are any in there model.
Worksheet
Curated OER

Trigonometric Graphs

For Students 12th
In this Trig worksheet, 12th graders identify and differentiate between trig graphs. They identify phase, translation and solve equations dealing with angles.
Worksheet
Curated OER

Precalculus Test

For Students 10th - 11th
In this calculus activity, students match cosine values with sine values. They solve trigonometric equations and graph functions. There are 20 questions with a bonus question.
Worksheet
Curated OER

Pre-Calculus Test Chapter 5: Identities

For Students 10th - 12th
In this identities activity, students match equivalent expressions containing sine, cosine, and tangent.  They solve equations, find intervals, and determine all solutions to an interval.  Students prove given identities. ...
Worksheet
Curated OER

Conservation During Chemical Reactions

For Students 9th - 12th
In this chemical reaction worksheet, students are given the details of an experiment where sodium chloride and silver nitrate are mixed in a chemical reaction. Students answer nine questions about the chemical reaction, they determine...
Worksheet
Curated OER

Precipitate Lab

For Students 9th - 12th
This lab guide gets chemistry students to determine the identity of five unknown solutions based on reactions with four known solutions. Pupils perform experiments, they write down their observations, they write net ionic equations for...
Lesson Plan
Curated OER

Probability of an event Occurring

For Teachers 11th
In this probability worksheet, 11th graders calculate what the probability of the color of shirt someone is wearing is. There is a solution key with this problem.
Lab Resource
Creative Chemistry

Finding the Percent of Iron in Lawnsand

For Students 9th - 12th
For this percent of iron in lawnsand worksheet, learners perform a titration of lawnsand using potassium manganate(VII) solution and determine the number of moles of iron in the sample. Students use the number of moles to find the mass...