Curated OER
Angles of a Triangle
Learners explore the measures of the angles of a triangle in this geometry lesson. They use Cabri Jr. to investigate the sum of the measures of the interior angles of a triangle, and examine the relationships between the interior and...
Curated OER
Exploring the Centroid of a Triangle
Pupils examine the centroid of a triangle as they use Cabri Jr. to construct a triangle and its medians. The dynamic nature of the software allows learners to measure the lengths of the segments in the triangle and conjecture and verify...
Curated OER
Measuring Angles in a Triangle
High schoolers investigate the sum of the measures of the angles of a triangle. They draw a triangle and measure the interior angles. Using Cabri Jr., learners find the sum of the measures of the interior angles. The lesson provides an...
Curated OER
A Trip to Colonial Virginia
Young scholars consider prices while planning a trip to Colonial Virginia. In this budgeting lesson plan, students construct an itinerary of events for a vacation. Young scholars are responsible for working within the approved budget.
Curated OER
Investigating Lengths of Segments in a Triangle
Pupils explore the midsegment of a triangle in the geometry lesson. They draw and measure the segment joining the midpoints of the two sides of a triangle and compare its length to the length of the third side of the triangle. The...
Texas Instruments
Trisecting a Square
High Schoolers investigate the question of whether or not the area of square can be trisected. In this instructional activity, they use geometry software to answer the questions and determine what conditions are necessary to the three...
Curated OER
Chords of a Circle
Teach how to differentiate between chords and perpendicular bisectors. In this geometry lesson, students relate the properties of chords and circle to solving right triangle. They define what makes two chords congruent in side a circle.
Curated OER
Appliance Energy Use and Cost
In this energy usage learning exercise, students use a chart comparing the average monthly kilowatt-hour use of different household appliances to complete 4 short answer questions.
Curated OER
Dripping Wet or Dry as a Bone?
Students use a sponge and water model to explore the concept of relative humidity and create a percent scale. They define humidity and saturation, build a simple humidity/saturation model, collect, predict and interpret data, and create...
Mathalicious
New-tritional Info
Burning off a Big Mac® doesn't seem like a big feat until you calculate the minutes of exercise necessary to break even. Young mathematicians look at different menu items in relation to different body weights and exercises to calculate...
NASA
Dark Matter NASA Conference
Young scholars calculate the escape velocity of planets in our solar system and use that knowledge to calculate the escape velocity for NGC 2300 group. They then suggest reasons for the escape velocity to be higher than possible given...
Mathalicious
Three Shots
To foul or not to foul, that is the basketball question. High schoolers look at the probability that fouling out a player and allowing free throws yields a better outcome than allowing the original shot. The resource provides a...
Curated OER
Murder in the First Degree - The Death of Mr. Spud
Secondary learners investigate exponential functions in a real-world scenario. They collect data on the temperature of a cooling baked potato, enter the data into lists, and graph the data using a scatter plot before finding an...
Mathalicious
On Your Mark
With many factors leading to a great athlete, does height make Usain Bolt unfairly fast? Middle schoolers conduct analysis to change the running distance of the Olympic races to be proportional to the height of the participants. They...
Curated OER
Extra Credit: It’s No Fairy Tale
Learners discuss their knowledge of payday loans and credit cards. In this Economics lesson, students complete a read an article and Q&A activity in groups, and play a vocabulary bingo game and a quiz game on payday loans. Learners...
Teach Engineering
Solar Water: Heat it Up!
Young engineers are instructed to design and build their own solar water heaters. Then, they calculate the efficiency and cost and compare them to commercially available models. This is a full unit for pupils to apply their knowledge.
Curated OER
Two Squares are Equal
This problem is sure to get your young mathematicians thinking. The idea sounds simple: one equation, solve it as many ways as you can. This is meant to get at a deeper understanding of solving quadratic equations, including some more...
Curated OER
Making Math More Fun
Trick young mathematicians into practicing their basic arithmetic with this extensive collection of fun math games. Whether you're teaching addition, subtraction, multiplication, division, place value, or even fractions, there is a...
Captain Planet Foundation
Energy Flow in the Garden
How can you tell what an owl has eaten? Study the food chain and flow of energy in an ecosystem by dissecting an owl pellet and noting the bones found inside. Additionally, the instructional activity includes a game about consumers and...
Curated OER
All About Money
Few topics engage young mathematicians as much as learning about money. Through a series of shared readings and hands-on activities, children explore the US currency system, learning how to count money and calculate change as they create...
Federal Reserve Bank
Retirement Planning
It's never too early to start saving for retirement. In fact, the earlier one starts, the better! Use this retirement planning activity to teach the importance of a retirement strategy and why to start at a young age.
Virginia Department of Education
Atomic Structure: Periodic Table
The fifth lesson of seven in the series outlines an in-depth analysis of the periodic table. After direct instruction, pupils take turns practicing in the group before beginning independent study. The assessments include a...
National Wildlife Federation
Wherefore Art Thou, Albedo?
In the sixth lesson in a series of 21, scholars use NASA data to graph and interpret albedo seasonally and over the course of multiple years. This allows learners to compare albedo trends to changes in sea ice with connections to the...
Curated OER
Using The Calculator
First graders use a calculator to total money quantities. They use plastic coins to represent the cost of an entire purchase. Students model specific dollar amounts and how to make change.