Curated OER
Unit Squares and Triangles
This is an interesting geometry problem. Given the figure, find the area of a triangle that is created by the intersecting lines. The solution requires one to use what he/she knows about coordinate geometry, as well as triangle and angle...
Curated OER
Tetrahedral Dice
Put those thinking hats on and look at all the possible outcomes from rolling two different four-sided dice. The challenge in this problem is finding all the combinations when adding and subtracting the numbers from each die and creating...
Firelands Local Schools
Exponential Growth and Decay
How can you safely model exponential growth and decay? A hands-on activity uses candies to model not only exponential decay, but also exponential growth. Exponential equations are fitted by hand and by use of a calculator to the data...
Teach Engineering
Cost Comparisons
Our final proposal for the cost of the bridge requested is ... In the last segment in a series of 10, pairs work together to develop a proposal for a city bridge design. The class completes a cost comparison between concrete and steel to...
Curated OER
Pike Problems in Lake Davis
Pike fish pose a threat to native trout and catfish in lakes. Would you drain and poison a lake to get rid of the Pike fish? If the lake was drained and poisoned, then refilled and repopulated with trout and catfish, how would you...
Curated OER
Bar Graphs and Survey Questions- Internet Access
In this graphing and data collection activity, students examine a bar chart that show data collected from 1998 - 2006 that shows the percentage of households that have Internet access. They answer questions based on the chart and make...
Curated OER
Coco Locomotion
Technology tutees read a description about coconuts and how they are used to make biodiesel fuel. Note that the link to the article does not work, and the article does not appear to be available online. There are, if you look for one,...
Curated OER
Sorting 3-Dimensional Shapes
Three-dimensional shapes can be categorized based on their attributes, and scholars learn more about six figures through this sorting activity. They examine six shapes: sphere, cylinder, cone, cube, prism, and pyramid. There is a table...
Curated OER
Avoiding Consumer Fraud: Financial Scams and Schemes
Young consumers get a hefty dose of information on how fraud can put their financial health at risk. The resource provides detailed lecture notes, scaffolded notetaking sheets, vocabulary worksheets, transparencies, and seven links to...
Illustrative Mathematics
Ants Versus Humans
You would think that humans make up more mass than ants do on this planet, but think again, and this time by performing calculations. Middle schoolers use scientific notation to compute and compare the estimated total mass of all humans...
Shodor Education Foundation
Playing with Probability
Review basic probability concepts with your class using different-colored marbles in a bag. Then pair up learners and have them play a cool online interactive game in which they race miniature cars using the roll of a die or two. The...
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Curated OER
Investigation - Representing Place Value
Third graders demonstrate models to represent a 3 digit counting number. They use manipulative materials to represent place value in whole numbers. Students represent numbers in expanded notation.
Curated OER
The King's Chessboard
Middle schoolers speculate on the better rate of pay: a dollar a day for 10 days, or a penny the first day, two pennies the second, doubling each day for 10 days. Start by listening to the story The King's Chessboard, by David Birch....
Shoreline Community College
Properties of Logarithmic Functions
Use a straightforward approach to understanding logarithmic properties and their role in solving exponential and logarithmic equations to your math class. The lesson begins with an overview of a logarithmic function and its connection to...
Curated OER
Number and Operations- Using Gift Certificates
Students apply number and operation skills to learn how to spend a gift certificate. In this mathematical reasoning lesson, students use base 10 blocks as money and calculate how much money they have.
Curated OER
Down The Line
Learnersinvestigate three-dimensional shapes. In this geometry lesson plan, pupils calculate the volume of cylinders using the given dimensions. They create a formula base don observation before using the real formula.
Curated OER
Math Analogies
In this math analogy worksheet, students look at the pictures, determine the relationship of the first two and draw a picture to complete the mathematical analogy.
Curated OER
Graphing Ordered Pairs On A Coordinate Plane
Sinking ships, construction paper, coordinate planes, sounds like fun day in math class. Play the game Battleship with your class and reinforce the concept of graphing ordered pairs.
Curated OER
Math - "Solid Shapes" - Comparing 3-D Objects
For this geometry worksheet, learners learn about 3-D objects and how to describe them. They then answer 10 questions using the information they learned. The answers are on the last page.
Curated OER
Calendar Activity
In this calendar worksheet, students complete word problems based on the November calendar given. Students complete 5 word problems.
Curated OER
Groupon Math: Dollars or Cents
For this coupon math worksheet, 9th graders read two coupons and answer 4 questions about how the coupons work. Students must write written responses to explain problems with the coupons.
Curated OER
Related Number Pairs
Third graders use tables to organize and display related pairs of numbers, such as the relationship of the number of insects to the total number of legs. They generate a table of related number pairs based on a real-life situation,...
Curated OER
The Hudson's Ups and Downs-Hudson River Activity
In this Hudson River worksheet, students read a short passage about the river, compare graphs of water levels at different locations, label high and low tides on a graph and interpret, and answer comprehension questions based on several...