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Activity
5280 Math

Pythagorean Triples

For Teachers 10th - 12th
From Pythagorean triples to the unit circle. Learners use the Pythagorean Theorem to find Pythagorean triples and then relate their work to the unit circle in a fun algebra project. Their discovery that x^2+y^2 is always equal to one on...
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Worksheet
Curated OER

Simplifying Radicals

For Students 9th - 10th
In this radical worksheet, students write given radical expressions in a square root form. Explanations and examples are provided at the beginning of the document. This two-page worksheet contains 24 problems. Answers are located at the...
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Assessment
Noyce Foundation

Sewing

For Teachers 6th Standards
Sew up your unit on operations with decimals using this assessment task. Young mathematicians use given rules to determine the amount of fabric they need to sew a pair of pants. They must also fill in a partially complete bill for...
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Lesson Plan
Curated OER

A McTrip Back In Time

For Teachers 5th - 7th
Students pretend they are time-travellers and travel back to 1954 to a McDonald's Restaurant to see how prices have changed. They need to add and subtract money with regrouping.
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Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 9th - 12th
Learners investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
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Lesson Plan
Curated OER

Add & Subtract Fractions w/Unlike Denominators, 2

For Teachers 7th - 9th
Pupils use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.
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Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 8th - 10th
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography activity, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their...
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Lesson Plan
Curated OER

Fraction Facts

For Teachers 6th - 8th
Students explore the concept of fractions. In this fractions instructional activity, students perform basic operations such as addition and subtraction with fractions. Students play a game on the computer called 'Fraction Four' that...
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Lesson Plan
Curated OER

Modular Arithmetic

For Teachers 5th - 6th
Students investigate modular arithmetic and how to use it to solve real world problems. In this modular arithmetic instructional activity, students use computers to work on modular arithmetic after a teacher guided instructional...
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Lesson Plan
Curated OER

Christmas Presents

For Teachers 7th
Seventh graders create a graph of their Christmas gifts. They develop categories, compute fractional and decimal parts for each category, identify the number of degrees to represent each fractional part, and create a circle graph to...
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Lesson Plan
Curated OER

Water Usage and Conservation

For Teachers 6th - 8th
Pupils investigate water usage at school and at home. They use graphs and tables to evaluate water usage. Students describe possible water conservation measures. They use graphs and tables to relate data as part of a written report.
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Lesson Plan
Curated OER

Earthquakes

For Teachers 8th
Eighth graders demonstrate the mathematical components of a scientific problem as well as illustrate how real world problems can be solved using math. They demonstrate math skills such as rate calculation, graphing, and linear equations.
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Interactive
Curated OER

Using Logical Reasoning

For Students 10th
In this geometry worksheet, 10th graders analyze and solve logic puzzles.  The one page interactive worksheet contains five multiple choice questions, provides a hint, and is self checking.
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Lesson Plan
EngageNY

Advanced Factoring Strategies for Quadratic Expressions (part 2)

For Students 9th - 10th Standards
What do you do with a difficult-to-factor quadratic expression? This instructional activity provides the answer. Pupils learn a grouping strategy to help factor trinomials. When guess and check seems too tedious, this method is the...
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Worksheet
Curated OER

Fundamental Theorem of Algebra

For Students 8th - 10th Standards
In this activity, learners identify the Fundamental Theorem of Algebra. They solve polynomial functions and simplify expressions and equations. 
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Lesson Plan
Curated OER

Picture the Problem

For Teachers 1st - 6th
Students create an illustration of how to solve math problems. They use appropriate resources for solving the problems. Students have to demonstrate how drawing diagrams and using pictures can help them by using KidPix. On Slide One,...
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Lesson Plan
Curated OER

Escape Velocity

For Teachers 9th - 12th
Students compute minimum velocity, using square roots.
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Lesson Plan
Curated OER

Buying My First Car

For Teachers 5th - 12th
Learners pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
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Lesson Plan
Curated OER

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.
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Lesson Plan
Curated OER

Conversions That Make Cents

For Teachers 8th
Eighth graders practice calculating problems using addition, subtraction, multiplication and division. They estimate solutions to algebraic problems. They also graph their solutions.
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Lesson Plan
Curated OER

Twelve Days of Christmas

For Teachers 6th - 8th
Young scholars create charts and graphs using a spreadsheet. They chart the number of each gift given day by day from the song, "The Twelve Days of Christmas." They create a bar graph and a circle graph from their data on the spreadsheet.
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Lesson Plan
Curated OER

Chapter 6 Review Introductory Algebra

For Teachers 6th - 8th
In this math worksheet, students find the solutions to the problems that coincide with each Algebra objective. They simplify the expressions.
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Worksheet
Curated OER

Solving Square Root and Other Radical Equations

For Students 11th
In this Algebra II worksheet, 11th graders solve equations involving radical equations.  The worksheet provides an explanation and worked examples.  The two page worksheet contains three problems.  Solutions are not provided. 
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Worksheet
Curated OER

Fraction Review

For Students 5th - 10th
For this fractions worksheet, learners put fractions into their simplest form, write as improper fractions, add and subtract, estimate amounts, and more. They complete 31 problems.