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Lesson Plan
Curated OER

Balancing Chemical Equations

For Teachers 9th
Ninth graders explain how atoms and molecules form different substances during chemical reactions and how these processes require losing, gaining or sharing electrons. They correctly write chemical formulas and show how a balanced...
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Assessment
Noyce Foundation

Boxes

For Teachers 6th Standards
Teach your class to think outside the box. Scholars use the concept of equality to solve a problem in the assessment task. They determine how to use a scale to identify the one box out of a set of nine boxes that is heavier than the others.
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Worksheet
Curated OER

Balancing Act

For Students 3rd - 5th
In this equations worksheet, students solve one digit addition and subtraction problems and then put 2 problems on each scale that are related. Students complete 12 equations and put 8 scales together.
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Worksheet
Curated OER

Hands-On Equations

For Students 5th
Use this instructional activity with the Hands-On Equations kit of manipulatives. Learners find the value of x in 5 equations, then check their answers. A great addition to your math lesson!
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Worksheet
Math Mammoth

Scales Problems

For Students 3rd - 5th
In this scales worksheet, students use addition, multiplication, and division to find out how much the shapes on the scales weigh. Students complete 8 problems total.
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Lesson Plan
Curated OER

Simplifying Expressions (Addition and Subtraction)

For Teachers 7th
Seventh graders simplify algebraic expressions using addition and subtraction to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Everyone completes various...
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Assessment
1
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Balanced Assessment

A Loud Noise

For Students 11th - 12th Standards
In a scale measuring noise, an increase in 10 dB is a 10 time increase in power. Mathematicians examine the data graph of a real world exponential growth, with no logarithmic scale, and then create two equations relating the decibels and...
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Lesson Plan
Curated OER

Figuring Out Equations With Figurines

For Teachers 6th - 7th
Students inspect solving equations with one variable. Through the use of a scale balance, they examine the importance of equality in an equation. By playing a balance game with figurines and a scale, students discover methods of...
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Lesson Plan
Curated OER

Balanced Or Unbalanced

For Teachers 3rd - 5th
Learners use physical models and graphs in order to solve problems that have their origin in the real world that require algebraic thinking. The words are changed into equations and inequalities in order to be solved. This requires...
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Worksheet
Curated OER

Scale and Equations

For Students 9th
In this Algebra I worksheet, 9th graders solve equations by using the concept of a scale where unknowns are represented by cylinders and numbers by marbles.  The four page worksheet contains ten problems.  Answers are not provided. 
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Lesson Plan
Curated OER

Linear Equations & Manipulatives

For Teachers 8th - 9th
High schooler math students review operations and solve linear equations using manipulatives--squares, cubes, circles, and cups. They transfer the operations performed on the manipulatives in equation form.
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Lesson Plan
Curated OER

Solving Simple Addition and Subtraction Equations Using Fact Families

For Teachers 2nd - 4th
Students explore addition fact families. In this addition and subtraction fact family math lesson plan, students click and drag objects on the Smart Board to create visual representations of fact families. Students use fact family...
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Lesson Plan
Curated OER

Balancing Equations

For Teachers 9th - 10th
Students balance equations using the correct method. In this algebra lesson plan, students solve linear equations using a virtual balance beam as a manipulative. They play games to reinforce the concept of equations being and staying...
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Lesson Plan
Curated OER

TESI 04 Lesson Plan

For Teachers 10th - 12th
Young scholars write and balance five chemcial equations which have been observed throughout the process of completing the experiment. They use vacuum filtration to recover suspeneded particals from a colloidal suspension. Students...
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Lesson Plan
Curated OER

Weigh Out the Algebra

For Teachers 9th - 11th
Students solve linear equations. In this algebra lesson, students use manipulative's to see the steps taken when solving linear equations. They solve using addition, subtraction, multiplication and division.
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Lesson Plan
Curated OER

Filling the Glass (Water, Air, and Fractions)

For Teachers 5th - 7th
Students predict which of two glasses is 1/2 full using visual estimation, height measurement, and liquid measurement methods. Mathematical equations to accurately solve the problem are determined and verified.
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Lesson Plan
Curated OER

Balance or Tilt?

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

The Cuisenaire Four-Pan Algebra Balance: Limitations and Suggestions

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

The "Laws" and Principles of Chemical Reactions

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

Using Positive Numbers

For Students 9th - 12th
In this solving equations worksheet, students solve 70 short answer problems. Students solve each equation for the unknown variable by simplifying like terms and isolating the variable.
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Lesson Plan
Cornell University

Predicting Chemical Reactions

For Teachers 9th - 12th Standards
Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson plan asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows...
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Worksheet
Curated OER

False Coins

For Students 9th - 11th
In this algebra worksheet, students use a balance scale to weigh coins and identify which coin is fake. It is important to have the scale balanced like you would an equation. There is an answer key.
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Worksheet
Curated OER

Math Maven's Mysteries

For Students 3rd - 4th
In these story problems worksheets, students read the math problem story about 'The Secret of E. Quation the Great.' Students solve the question about the secret weights by using a letter to represent the unknown and circle the equation...
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Lesson Plan
Curated OER

Don’t be a Stoic about Stoichiometry

For Teachers 10th - 12th
Pupils review balancing chemical equations. In this chemistry lesson, students calculate moles of an unknown substance based on stoichiometric relationships in the balanced equation. They cite applications of stoichiometry in the real...