Khan Academy: Analyzing Structure Word Problem: Pet Store (2 of 2)

In this video, Sal solves a word problem sent in by a listener with two cyclists riding towards each other over a given time. It is an interesting problem regarding ratios and the relationship between distance, rate, and time. He shows...

Here are some more age word problems. The instructor uses a chart again to organize the information given. He works through the problem but ends the video with a solution that appears erroneous but is correct. The answer seems too large...

A few word problems involving age are presented. Starting with a simple problem and progressing to more complicated word problems, Sal uses a chart to organize the information given in the more complicated problem to solve for the variable.

For most people, solving word problems takes a lot of work. But Sal makes it look simple! Follow along as he unpacks this complicated word problem. He even demonstrates how to answer. Excellent!

This presentation demonstrates how to solve an age word problem. It is worth the time it takes to view it.

Sal starts to solve a trigonometric word problem of a wayward ship captain who veers off course and once aware of his predicament, needs to know how far he is from his destination. Instead of using the Law of Cosines in his solution, Sal...

Video continues and completes the solution to a navigation problem that uses trigonometry to find the missing length of a triangle. [2:51]

Video showing how to solve a navigation word problem with speeds and distances using trigonometry. [8:00]

Video containing the beginning of a solution to a navigation problem that uses trigonometry to find the missing length of a triangle. [9:57]

This video shows how to write and solve a multi-step equation based on an algebraic word problem. [8:02]