Lesson Plan
Curated OER

Beginning Math- Addition

For Teachers K
Students demonstrate addition. In this simple computation lesson, students are introduced to the concept of addition through using manipulatives. Students solve simple addition problems on a worksheet.
Lesson Plan
Curated OER

Investigating Buffers

For Teachers 9th - 12th
Learners investigate buffers and their behaviors when used with acids and bases. In this buffers lesson plan, students use a pH meter and create buffered acidic and basic solutions. To each of the buffered solutions learners add strong...
Worksheet
Curated OER

WS 7.1-Specific Heat and Calorimetry

For Students 10th - 12th
In this specific heat and calorimetry worksheet, students are given specific heats of substances and they must find the amount of heat needed for particular reactions to proceed. In addition, students find specific heats given the amount...
Worksheet
Curated OER

Rational Numbers

For Students 9th
In this rational numbers worksheet, 9th graders solve and complete 16 different problems that include adding and subtracting various rational numbers. First, they determine the sum or difference for each equation. Then, students evaluate...
Worksheet
Curated OER

Specific Heat

For Students 9th - 12th
In this specific heat worksheet, students read about the amount of heat needed to raise the temperature of a substance. They are given the equation for calculating joules and they solve four problems using the equation.
Worksheet
Curated OER

Complex Equilibria Quiz

For Students 10th - Higher Ed
In this equilibrium worksheet, students answer 8 multiple choice questions but need to solve the problems in order to determine the answers. They include determining the concentrations of ions as well as the pH of solutions.
Worksheet
Curated OER

Working with Scientific Notation

For Students 8th - 10th
In this scientific notation learning exercise, students are given directions to add, subtract, multiply and divide using scientific notation. They complete twenty four problems and express their answers in scientific notation.
Worksheet
Curated OER

Acids, Bases and Salts

For Students 9th - 12th
In this acids, bases and salts worksheet, students solve five problems in order to determine the molarity of solutions or the volume of substances to be added to make molar solutions. They also solve five dilution problems about acids.
Worksheet
Curated OER

Equilibrium Supplementary Worksheet

For Students 11th - 12th
In this equilibrium worksheet, students calculate the equilibrium constant and concentration to answer 13 problems. They predict the shift of the reaction when certain species are added.
Worksheet
Curated OER

Equilibrium and Acids & Bases

For Students 9th - 12th
In this equilibrium, acids and bases worksheet, students answer 30 multiple choice questions about the formulas for acids and bases, the products of acid and base reactions, the concentration of ions in acids and bases and equilibrium....
Worksheet
Curated OER

Add and Subtract Decimal Tenths (F)

For Students 3rd - 4th
In this adding and subtracting decimals and whole numbers worksheet, learners find the sums and differences of tenths. Students solve 32 problems.
Lab Resource
Creative Chemistry

Determining the Enthalpy Change of a Reaction

For Students 9th - 12th
In this enthalpy of reactions learning exercise, high schoolers use a known amount of copper (II) sulphate solution and an excess of zinc powder to calculate the reaction's enthalpy change. Students measure the temperature change...
Worksheet
Curated OER

Sigma Notation

For Students 11th
In this Algebra II worksheet, 11th graders demonstrate an understanding of and the ability to apply sigma notation to problem solving situations.  The one page worksheet contains a combination of twelve multiple choice and free...
Worksheet
Curated OER

Acids and Bases

For Students 10th - Higher Ed
In this acid and base activity, learners calculate the pH of solutions, sketch a titration curve, write equations used to determine the pH of solutions and determine the location on a titration curve of a given molar solution.
Worksheet
Curated OER

Systems of Linear Equations

For Students 9th - 11th
For this Algebra I/Algebra II worksheet, students use the elimination method to solve systems of linear equations.  The one page worksheet contains six multiple choice questions.  Answers are included. 
Worksheet
Curated OER

WS 1.9 Review-Calculations

For Students 10th - 12th
For this calculations review worksheet, students convert from one metric unit to another, they identify significant figures in numbers, they find density of substances, and they solve problems using dimensional analysis.
Worksheet
Math Mammoth

Integers

For Students 5th
In this integers worksheet, 5th graders solve and complete 4 different types of problems. First, they add negative integers by adding the absolute values and placing the negative sign in front. Then, 5th graders add integers with...
Lesson Plan
Curated OER

Chemistry Lab: Chemical Equilibrium

For Teachers 9th - 12th
Students investigate the effects of adding or removing a reactant or a product on chemical equilibrium. In this equilibrium lesson plan, students add or remove ions to solutions to determine the effects on equilibrium. They make...
Worksheet
Curated OER

Chapter 5 Practice Problems

For Students 10th - 11th
In this chemistry worksheet, students determine the oxidizing agent and the reducing agent in each stated problem. Then they determine the molarity of acetic acid. Students also use the previous activities to predict whether a...
Lesson Plan
Curated OER

Money

For Teachers 2nd - 3rd
Students practice counting money.  In this counting and comparing money activity, students review the value of coins and use play money to count out five dollars.  Students complete a worksheet to determine what items they...
Worksheet
Curated OER

Vectors

For Students 10th
In this vectors worksheet, 10th graders solve and complete 7 various types of problems related to vectors. First, they find the third side and the angle labeled in each right triangle. Then, students resolve each of the vectors into its...
Lesson Plan
Curated OER

The Need for Normality

For Teachers 9th - 12th
High schoolers investigate the need for measuring concentrations in normality in titrations. In this titrations and normality lesson, students perform titrations and use different indicators to show they change colors at different pH...
Worksheet
Curated OER

Solving Quadratics

For Students 11th
In this algebra learning exercise, 11th graders solve quadratic equations and simplify radicals in to their simplest form using a radical sign. They complete the square and factor equations. There are 13 questions on this learning exercise.
Lesson Plan
Curated OER

Esters as Food Flavorings

For Teachers 9th - 12th
High schoolers produce esters in the laboratory by combining different carboxylic acids with different alcohol. In this esterification lesson plan, students experiment with 3 carboxylic acids and 3 alcohols to produce 3 esters with fruit...