Interactive
Hooda Math

Hooda Math: Balance Scales

For Students 9th - 10th Standards
Solve simple linear equations using a balance beam. Replicate the given equation by moving the blocks of X and 1 to the sides of the balance scale. Then use addition, subtraction, multiplication, and division to each side to solve for x.
Unit Plan
PBS

Pbs: Balancing Scales to Solve Equations

For Students 6th - 8th
Predict the number of blocks you need to equal the weight of one bag and then test your theory. This interactive exercise focuses on using critical thinking skills to add and subtract items on the scales to achieve balance and visual...
Interactive
Math Cats

Math Cats: Math Cats Balance

For Students 6th - 8th
Use this interactive activity to learn about weights, balance and basic mathematics. With problem solving and math skills solve the questions about how many objects will balance out on the interactive scales.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Which Is Heavier?

For Teachers K - 1st Standards
Students will learn the concept of weight by practicing weighing items on a balance scale and recording their results. Students can record their answers on the black line masters included in the Illustrated Mathematics lesson "How Heavy?".
Unknown Type
Math Slice

Math Slice: Heavy Slice Special Test

For Students 3rd - 8th Standards
A concise test for assessing number sense using weights and scales. Assessment is scored online offering students immediate feedback. Can be used for a quick assessment.
Interactive
Math Is Fun

Math Is Fun: Balance When Adding and Subtracting

For Students 3rd - 8th
An interactive scale shows you how to deal with numbers and variables when solving simple algebraic equations.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Longer and Heavier? Shorter and Heavier?

For Teachers Pre-K - 1st Standards
Students will compare the length and weight of several pairs of objects to learn that weight and length are separate measurable attributes, and not always related.
Graphic
Wyzant

Wyzant: Basics of Equations

For Students 9th - 10th
This tutorial from WyzAnt contains a walk-through of the basics of solving algebraic equations. Examples are given and the tutorial ends with an interactive worksheet that contains an answer key.