Worksheet
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Adding Integers Using an Integer Line

For Students 5th - 6th Standards
In this integers instructional activity, students use integer lines to add the positive and negative numbers. They can show the answers online.
Worksheet
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Subtracting Integers

For Students 5th - 6th Standards
In this subtracting integers worksheet, students use 9 integer lines to help them solve 9 math problems that require them to subtract positive and negative numbers.
Lesson Plan
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Literal Equations

For Teachers 9th - 12th
Students explore Literal Equations. In this literal equations lesson plan, students use the Internet to connect to links and solve linear equations. Students investigate, analyze and record their findings on various activity worksheets.
Lesson Plan
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Rational Expressions

For Teachers 9th - 11th
Learners simplify rational expressions. In this algebra lesson plan, students solve rational equations using multiplication and division. They apply properties of exponents and negative exponents to solve the problems.
Lesson Plan
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Ratios, Proportions, and Cross-multiplication

For Teachers 6th - 8th
Students use cross-multiplication to find the unknown respiration rate of an astronaut. In this multiplication lesson plan, students also use the same process to find missing values in proportions.
Lesson Plan
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Calculating Interest

For Teachers 5th - 8th
Students explore the concept that when money is borrowed, people pay to use it because someone else is losing an opportunity to use it while they have it. What you pay to use the money is called interest. The rate of interest is a...
Lesson Plan
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Unit 2 Sun & Stars

For Teachers 6th - 7th
Young scholars describe stellar objects using terms such as stars, planets, satellites, orbits and light. For this sun and stars unit, students research stellar objects through seven individual lessons discovering star characteristics,...
Worksheet
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Area and Perimeter

For Students 4th - 5th
In this area and perimeter worksheet, students complete a set of 6 problems, finding area of rectangles and area and perimeter of squares. 
Lesson Plan
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Tortillas

For Teachers 6th - 8th
Learners convert recipes for tortillas. They calculate the amounts of ingredients as they convert recipes and write an explanation of the task to demonstrate their calculations. After reviewing their calculations, they demonstrate how...
Lesson Plan
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Squirt

For Teachers 4th
Fourth graders using the idea of "how many more squirts" fill a container to develop multiplicative thinking. They also investigate the idea of conservation of volume when working with oddly shaped containers. They attempt to use...
Lesson Plan
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Rabbits

For Teachers 3rd - 5th
Students review what they think doubling means and double numbers mentally, for example, 5, 12, 16. They share their solutions and discuss how they doubled. They work together on a problem that is beyond mental working and solve...
Lesson Plan
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My Dogs

For Teachers 2nd - 5th
Students use the properties of multiplication to solve problems. They recall the basic multiplication facts as well as write and solve problems that involve whole numbers.
Lesson Plan
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Team Puzzles

For Teachers 4th
Fourth graders work in co-operative teams of four to complete a puzzle. Each student initially works independently, and then the team jointly puts together the four shapes they have individually made, to complete the puzzle.
Lesson Plan
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Two-Step Equations

For Teachers 9th - 12th
Students explore the concept of solving two-step equations. In this solving two-step equations lesson, students watch a short video about solving equations. Students view a PowerPoint presentation about solving two-step equations....
Worksheet
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Rational Expressions

For Students 11th
In this Algebra II worksheet, 11th graders simplify rational algebraic expressions by factoring and cancelling the common factors.  The two page worksheet contains instruction, worked examples, and three practice problems. ...
Lesson Plan
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Eating on a Budget

For Teachers 5th - 6th
Students are "given" $25.00 to spend at a restaurant. Using the Internet, they must "order" a complete 4 course meal while staying within their budget.
Lesson Plan
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Million Dollar Gift

For Teachers 3rd
Third graders create a box big enough to hold a million dollars. This is a project fun to do near the winter holidays with inexpensive gifts included in the boxes. This hands-on lesson very effectively demonstrates the concept of volume.
Lesson Plan
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Escape Velocity

For Teachers 9th - 12th
Students compute minimum velocity, using square roots.
Lesson Plan
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Comparing Candy Bars

For Teachers 8th
Eighth graders identify that a ratio is a comparison of two numbers and that a proportion is an equation that equates two ratios. They identify the extremes and means of proportions, as well as the product of the extremes equals the...
Lesson Plan
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Discovering the Area and Perimeter of Triangles

For Teachers 8th
Eighth graders identify how to find the area and perimeter of rectangles and triangles. They discuss their understanding of area and perimeter and how the two concepts are applied in the real world. Finally, 8th graders determine the...
Lesson Plan
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Let's Take a Trip!

For Teachers 6th
Sixth graders plan trip for family of four, and choose best travel plan by studying maps, considering different routes, and visiting Web sites to get airline and travel schedules.
Interactive
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Simple Past-Positive Sentences #2

For Students 4th - 6th
In this simple past tense worksheet, students use words and phrases given to form positive sentences in the given tense. Answers may be submitted online for review. ESL appropriate but not exclusive.
Lesson Plan
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Money and Percentage

For Teachers 5th
Fifth graders examine use of percentages in real world situations. They complete worksheet about using percentages after reviewing the concept. They look through newspapers to find examples of percentages used over the course of three...
Lesson Plan
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Pi Day (March 14)

For Teachers 4th
Fourth graders determine the value of ? by measuring the circumference and diameter of circular objects such as soup cans, Oreo cookies, etc..