Curated OER
Balancing Chemical Equations
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...
Noyce Foundation
Boxes
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.
Curated OER
Balancing Act
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.
Curated OER
Hands-On Equations
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!
Math Mammoth
Scales Problems
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.
Curated OER
Simplifying Expressions (Addition and Subtraction)
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...
Balanced Assessment
A Loud Noise
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...
Curated OER
Figuring Out Equations With Figurines
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...
Curated OER
Balanced Or Unbalanced
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...
Curated OER
Scale and Equations
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.
Curated OER
Linear Equations & Manipulatives
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.
Curated OER
Solving Simple Addition and Subtraction Equations Using Fact Families
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...
Curated OER
Balancing Equations
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...
Curated OER
TESI 04 Lesson Plan
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...
Curated OER
Weigh Out the Algebra
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.
Curated OER
Filling the Glass (Water, Air, and Fractions)
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.
Curated OER
The Cuisenaire Four-Pan Algebra Balance: Limitations and Suggestions
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...
Curated OER
The "Laws" and Principles of Chemical Reactions
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.
Curated OER
Using Positive Numbers
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.
Cornell University
Predicting Chemical Reactions
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...
Curated OER
False Coins
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.
Curated OER
Math Maven's Mysteries
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...
Curated OER
Don’t be a Stoic about Stoichiometry
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...