Enjoy the flight....
.... And, learn something new...
Spare parts has comics and random math topics for discussion. Includes questions (and answers), puzzles, and links to other sources.
Quick Exponents Question
If wheel A makes 10 revolutions, then how many revolutions will wheel C make?
Hexagon Area Problem
The figure is a regular hexagon with side length 8.
Find the shaded area.
Work - Rate Question
A girl can wash 10 windows in 45 minutes. Working with her brother, together, they can wash 5 windows in 10 minutes.
Working by himself, how fast can the brother wash 15 windows?
Trapezoid and Coordinate Geometry
If the area of the trapezoid is 53 square units, what is the coordinate (a, b)?
(***Topic for discussion: is there more than one solution?!??!)
A Simple Progression
Given these 3 consecutive terms from an arithmetic sequence, what is x ? What are the 3 terms?
3x + 4, 4x + 3, 6x - 2
"Climbing a Wall"
This (book) worm climbs up a wall at a rate of 5 feet per day. But, at night--while it rests-- it slips back down 3 feet.
How many days will it take the worm to reach the top of a 30-foot wall?