Texas Instruments
Texas Instruments: Mc Dougal Littell Geometry: Investigate Proportionality
Students can use the TI-84 Plus family with Cabri Jr. to segment lengths in a triangle.
Texas Instruments
Texas Instruments: Similar Triangles and Proportions
In this activity, students will investigate the relationship among the similar triangles formed when a segment is constructed parallel to one side of a triangle. They will explore the various ratios that exist between the lengths of the...
Texas Instruments
Texas Instruments: Sail Problem (Parallel Lines & Segment Relationships)
In this activity, students will explore the proportional relationships involved in multiple parallel lines being cut by transversals. These relationships are approached through exploration of a sail design problem, where students are to...
Science Buddies
Science Buddies: Puppy Proportions: Growth Spurts & Weight Gain in a Dog
Puppies prove to be a fun and useful aid in this adorable experiment! By having access to, and measuring a puppy's body dimensions over a period of weeks or months, you can discover if segments of canine anatomy develop at different...
PBS
Pbs Learning Media: Harry's Job at a Candy Store
In this video segment from Cyberchase, Harry uses fractions to pack boxes of truffles at a candy store.
PBS
Pbs Learning Media: Aiming for the Basketball Hall of Fame
In this video segment from TV 411, two Atlanta Hawks players plan a driving route to reach the Basketball Hall of Fame. They use map scales to estimate their travel distances.
PBS
Pbs Learning Media: Cyberchase: Bianca Gets in Gear
Bianca visits a bike shop and learns how bicycle gears work in this Cyberchase video segment. [3:26]
PBS
Pbs Learning Media: Percentages in Basketball
WNBA athletes discuss attendance at basketball games in terms of percentages in this video segment from TV 411.
PBS
Pbs Learning Media: Cyberchase: Catching the Kidnapper
In this video segment from Cyberchase, the CyberSquad and Digit construct a physical profile of the person who kidnapped Choocroca, a giant cybercrocodile. [2:49]