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Lesson Plan
Curated OER

Estimating and Counting Money

For Teachers 2nd - 4th
Learners explore the concepts of estimating and rounding. In this estimating and rounding lesson, students play a game of tic-tac-toe. Learners pick items and must estimate their cost by rounding. Students estimate the costs of pretend...
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Worksheet
Curated OER

Multiplying Decimals

For Students 6th
In this multiplying decimals worksheet, 6th graders solve and complete 12 various types of problems that include decimals. First, they multiply each set of numbers as if they were whole numbers. Then, students add the products and place...
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Worksheet
Curated OER

Mental Arithmetic Race

For Students 7th - 8th
In this mental arithmetic race, students compute as many arithmetic problems as possible in a given length of time. Problems include whole and decimal numbers. Students mentally divide multiply, and add whole numbers and decimals. This...
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Worksheet
Curated OER

Long Multiplication

For Students 5th - 7th
In this multiplication worksheet, students find the product of three-digit numbers. They examine completed problems and determine the mistake. This two-page worksheet contains 6 multiplication problems.
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Worksheet
Curated OER

Multiplying and Dividing

For Students 6th - 8th
In this multiplying and dividing worksheet, students compute the product and quotient of whole numbers and decimals. This two-page worksheet contains 4 multi-step problems.
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Worksheet
Curated OER

Balancing Equations

For Students 9th - 12th
In this chemical equations worksheet, students review the rules in balancing equations and then balance 11 chemical reactions.
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Organizer
Curated OER

Balancing Equations

For Students 10th - Higher Ed
In this chemical equations learning exercise, students review the steps to balancing equations and then complete a graphic organizer by balancing 10 chemical reactions.
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Worksheet
Curated OER

Balancing Chemical Reactions 2

For Students 9th - 12th
In this balancing chemical reactions worksheet, high schoolers balance equations, identify electrons gained or lost in atoms and identify the number of atoms of each element for the reactants and products in equations. They also answer 3...
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Worksheet
Curated OER

Chemical Reactions Quiz Review Sheet

For Students 10th - 12th
In this chemical reactions learning exercise, learners balance an equation, determine the type of reaction, and write the net ionic equation. This learning exercise has 5 problems to solve.
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Worksheet
Curated OER

Equilibrium Constant

For Students 10th - 12th
In this reactions worksheet, students write the equilibrium expressions for the given unbalance equations. This worksheet has 6 problems to solve.
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Worksheet
Curated OER

The "Laws" and Principles of Chemical Reactions

For Students 10th - 12th
In this chemical reactions worksheet, students review the law of conservation of mass, the principle of definite proportions, and balancing equations. This worksheet has 3 problems to solve.
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Lesson Plan
Curated OER

Goods and Services

For Teachers 2nd
Second graders demonstrate their understanding of goods and services through group presentation. In this simplified economics lesson, 2nd graders are divided into groups representing a particular market. They then create posters with...
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Worksheet
Curated OER

Role of Energy in Reactions

For Students 10th - 12th
In this energy learning exercise, students determine the enthalpy of exothermic and endothermic reactions. This learning exercise has 1 fill in the blank and 4 short answer questions.
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Worksheet
Curated OER

Mass/Mass Problems

For Students 10th - 12th
In this mass worksheet, students calculate how much of any product will form from a given amount of reactant. This worksheet has 7 problems to solve.
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Worksheet
Curated OER

Factoring Quadratic Trinomials

For Students 9th
In this factoring trinomials activity, 9th graders solve and complete 36 various types of problems. First, they write each trinomial in factored form. Then, students write all of the factor pairs of the third term and circle the pair...
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Worksheet
Curated OER

Kinetics and Equilibrium

For Students 10th - 12th
In this kinetics and equilibrium worksheet, students use the diagram to answer the questions as it relates to endothermic or exothermic reactions. Students indicate the result in the reaction rate as speeding up or slowing down.
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Worksheet
Curated OER

Thermodynamic Reaction Worksheet

For Students 11th - Higher Ed
In this thermodynamics worksheet, students predict the change in reaction values for the 14 thermodynamic reactions given.
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Worksheet
Curated OER

Predicting the Products of a Reaction

For Students 10th - Higher Ed
In this reactions worksheet, students predict the products of 10 equations given the reactants and the type of equation such as decomposition, synthesis or single displacement.
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Worksheet
Curated OER

Squares

For Students 10th
In this squares worksheet, 10th graders solve and complete 7 various types of problems. First, they divide a product of one with a square of the other. Then, students find the dimensions of a rectangle that will maximize the area. In...
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Worksheet
Curated OER

Reacting Masses Problems

For Students 9th - Higher Ed
In this reactions worksheet, student determine the products of a reaction, balance an equation, and calculate the number of moles in an experiment. This worksheet has 4 problems to solve.
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Worksheet
Curated OER

Chemical Reactions

For Students 9th - Higher Ed
In this chemical reactions worksheet, students use the LeChatelier's principle to predict concentrations. Students determine if products or reactants are favored at equilibrium for given equilibrium constants. This worksheet has 5...
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Worksheet
Curated OER

Equilibrium Equations

For Students 10th - Higher Ed
In this chemical reactions worksheet, students calculate the equilibrium constant for given reactions. Students decide if reactions are homogeneous or heterogeneous and if the equilibrium favors reactants or products. This worksheet has...
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Lesson Plan
Curated OER

Physical and Chemical Changes and Balancing Chemical Equations

For Teachers 10th - Higher Ed
In this changes worksheet, pupils compare and contrast the characteristics of physical and chemical changes. Students practice balancing equations. This worksheet has 5 fill in the blank and 7 short answer questions.
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Worksheet
Curated OER

Chemistry - Science 10

For Students 8th - 10th
In this chemistry science worksheet, students identify the parts of a chemical reactions. Kids name the major particles of the atom. Students apply knowledge about the atom, theories, and models.