"i-Tunes"

(from May 21, 2016)

"Math Optometrist"

*A Dilation Pupil....*

*Find the math guy's weekly sketch at mathplane.com*

*(from May 16, 2016)*

"Bookworm question"

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?

*ANSWER and other math questions in the spare parts section...*

*(from May 13, 2016)*

"Inscribed and Tangent Figures"

*(from May 9, 2016)*

"Counting Digits"

*ANSWER*

(from May 5, 2016)

"Extra Credit Card"

*(from May 1, 2016)*

"Hiker Question"

A hiker walked around a circle. Then, he walked 10 feet further and walked around another circle.

If the total distance he walked was 2000 feet, what is the radius of the inner circle?

*ANSWER*