Sunday, September 28, 2014

Implement The Core: A Variation on a Classic Rate Problem

Twitter Problem 9-28-14

Trip to work took 90 min including stopping b/c of accident for x min. Avg'd 30 mph overall; apart from delay, avg'd 50 mph. x=?

Answer: 36 min

Do rate-time-distance problems still appear on SAT and other standardized tests? Yes!

Do our students get enough practice with these? In Prealgebra? Algebra 1?

Do you view these as applied problems?

3 days left for half-price subscription for detailed solutions to all Twitter problems. See right sidebar...

No comments: