Activity
Curated OER

Narrow Corridor

For Teachers 8th - 12th Standards
Buying a new sofa? Learn how to use the Pythagorean Theorem, as well as algebra and graphing techniques, to determine whether the sofa will fit around a corner (which I'm sure you'll agree is a very important consideration!).
Lesson Plan
Illustrative Mathematics

Fruit Salad

For Teachers 5th - 7th Standards
Playing with values in this fruit salad problem allows learners to find out how many cherries were mixed in. Your middle schoolers can organize their thoughts in a chart before going into the equation. Eigth graders can skip the chart...
Activity
Bowland

You Reckon?

For Teachers 6th - 9th
Sometimes simple is just better. A set of activities teaches young mathematicians about using plausible estimation to solve problems. They break problems down to simpler problems, use rounding and estimation strategies, and consider...
Lesson Plan
Personal Genetics Education Project

Personalized Medicine

For Teachers 9th - 12th Standards
Genetics learners read an article and watch a video about personalized medicine and the hope it holds for treating patients more specifically than doctors currently are able to. They research, design, and produce a brochure about the...
Lesson Plan
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Curated OER

Pairs of Whole Numbers

For Teachers 9th - 12th Standards
Mathematical reasoning and linear systems are two of the strategies used to solve this number puzzle. Your learners will enjoy the challenge and the variety of ways to approach this challenge.
Activity
101 Questions

Coin Counting

For Teachers 7th - 9th Standards
Cash in on a great resource. After watching a video of a coin counter, pupils estimate the number of coins and the amount of money they see. They then use additional given information and systems of equations to find the actual values.
Lesson Plan
Serendip

Golden Rice – Evaluating the Pros and Cons

For Teachers 9th - 12th Standards
More than half the world's population eats rice as a daily staple ... imagine if that rice could prevent illness. Scientists genetically engineered rice to include vitamin A for just that purpose. However, room for debate still exists....
Activity
Curated OER

Math Challenges

For Teachers 7th - 9th
Students participate in a series of challenging math lessons designed to engage their critical thinking skills. In these real-world problem solving lessons, student solve symmetry and repeated pattern problems, make lists/tables to...
Activity
Illustrative Mathematics

Harvesting the Fields

For Teachers 7th - 10th Standards
This problem involving rates may look simple at first, but it is actually quite challenging. Two different sized fields are harvested by a team of workers and learners must use different rates to calculate the number of workers on the...
Activity
Texas Instruments

Texas Instruments: Linear Programming Cookie Dough Kits

For Teachers 9th - 10th
In this lesson students explore the concept of linear programming. The students model a real life situation with a system of inequalities and then use their graphing calculators to search for a maximum value for an objective function....
Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Dial the Phone

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson gives students some insight into the connection between graph theory and triangular numbers, using telephone networks. Similar to the famous Handshake Problem, students will find...
Activity
Analyze Math

Analyze Math: L'hopital's Rule and the Indeterminate Form

For Students 9th - 10th
The tutorial examines L?hopital?s rule which allows students to replace a limit problem with another that may be simpler to solve. L?hopital?s theorem, examples, and practice problems are included.