5280 Math
Pythagorean Triples
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...
Curated OER
Simplifying Radicals
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...
Noyce Foundation
Sewing
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...
Curated OER
A McTrip Back In Time
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.
Curated OER
Clock Arithmetic and Cryptography
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.
Curated OER
Add & Subtract Fractions w/Unlike Denominators, 2
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.
Curated OER
Clock Arithmetic and Cryptography
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...
Curated OER
Fraction Facts
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...
Curated OER
Modular Arithmetic
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...
Curated OER
Christmas Presents
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...
Curated OER
Water Usage and Conservation
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.
Curated OER
Earthquakes
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.
Curated OER
Using Logical Reasoning
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.
EngageNY
Advanced Factoring Strategies for Quadratic Expressions (part 2)
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...
Curated OER
Fundamental Theorem of Algebra
In this activity, learners identify the Fundamental Theorem of Algebra. They solve polynomial functions and simplify expressions and equations.
Curated OER
Picture the Problem
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,...
Curated OER
Buying My First Car
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.
Curated OER
Million Dollar Gift
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.
Curated OER
Conversions That Make Cents
Eighth graders practice calculating problems using addition, subtraction, multiplication and division. They estimate solutions to algebraic problems. They also graph their solutions.
Curated OER
Twelve Days of Christmas
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.
Curated OER
Chapter 6 Review Introductory Algebra
In this math worksheet, students find the solutions to the problems that coincide with each Algebra objective. They simplify the expressions.
Curated OER
Solving Square Root and Other Radical Equations
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.
Curated OER
Fraction Review
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.