Speed (and other rates)

Links and useful resources

• gr7's Prealgebra Course Outline START HERE<<<
• AoPS Online Textbook
• IXL Grade 7 index
• IXL Grade 8 index
• AoPS Alcumus
• IXL prealgebra practice index
• OpenSTAX Prealgebra-1 textbook

Concept summary and lesson

• Rate equation: $d=rt$
• Speed is a ratio of distance to time
• Solve for distance, speed, or time

Media resources

• Youtube search for "Solve for distance, speed, or time"

Guided practice

• How far does a car traveling at 75 miles per hour travel in 2.6 hours?
• If a truck travels at a constant speed and travels 238 miles in 3.5 hours, then at what speed did the truck travel?
• How long will a motorcycle traveling at 80 miles per hour need to travel 420 miles?

Homework

• #hw (math) (gr7) 7.5 Speed (p. 302) 2025-02-07