PBS
Pbs: The Lowdown: The Math of Credit Cards
Explore how credit cards work in this video from KQED. In particular, you'll discover the impact and high cost of outstanding balances when borrowing money using credit cards. In the accompanying classroom activity, students discuss the...
Shodor Education Foundation
Shodor Interactivate: Triangle Explorer
This applet allows users to study the nature of triangles and their area. It draws random triangles on a Cartesian coordinate system. The user can determine the area of the triangle using his or her preferred method. After the calculated...
Better Lesson
Better Lesson: Rewriting Formulas
For this lesson, young scholars explore "real-life" resources that make use of literal equations (rewriting known formulas) to help make people's lives easier. Students will use Excel to design formulas that find a specific value like...
CPALMS
Cpalms: Building Graduation Caps
[Free Registration/Login Required] In this lesson, students build geometric models of graduation caps using stiff paper. The activity requires the application of skills in finding surface area, understanding similarity, knowing the...
Better Lesson
Better Lesson: What Angles Are on a Bat House?
Third graders are preparing to build bat houses. They have calculated surface area, identified nail placement, and will now collect data on angle types in this real-world activity.
Better Lesson
Better Lesson: Using Area as an Architect (Stations Day 1)
In this multi-day activity, 3rd graders make 3 different models of an orphanage floor plan using Google Drawing, Virtual Graph paper, and a construction of rectilinear shapes, to calculate the area of each room using units square.
PBS
Pbs: The Lowdown: Percents Combined: Proportional Relationships With Multistep Ratio and Percent Problems
Learn how to calculate sale price when combining two "percent-off" discounts in this video from KQED. In the accompanying classroom activity, students develop and share a variety of strategies, including modeling with a 10 x 10 grid to...
PBS
Pbs: The Lowdown: Percents Defined
Learn how to calculate percent as a rate per 100 in this video from KQED. In the accompanying classroom activity, students model percent with a 10 x 10 grid. After watching the video, they create a design or picture on a 10 x 10 grid,...
TeachEngineering
Teach Engineering: Puttin' It All Together
On the topic of energy related to motion, this summary lesson is intended to tie together the concepts of work, power, collisions, momentum and drag. A hands-on activity demonstrates this idea and reinforces learners' math skills in...
Alabama Learning Exchange
Alex: Calendar Fun Operations
This activity is designed to help students evaluate numerical expressions by using order of operations. The students will be provided a calendar for the current month of the year. Students will then be provided with a worksheet that...