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Spare parts has comics and random math topics for discussion. Includes questions (and answers), puzzles, and links to other sources.
1/18/16
Send More Money $$$
If each letter represents a unique number between 0 and 9, how much money?
1/7/16
Flawed Proof
If a = b, then 2 = 1 ???
What is wrong with this proof?
11/16/15
Algebra Question
10/5/15
Letters to Numbers Multiplication Logic Puzzle
Can you find the digits A, B, C, D, and E?
9/8/15
Triple Absolute Value Equation
Can you find the solution(s)?
8/9/15
Infinite Sequences
Can you find the missing terms?
7/26/15
Connecting the Dots II
Can you connect the 16 dots with six (joined) line segments (i.e. without lifting your pencil off the paper)?
"think outside the box!"
Can you connect the 14 dots with six consecutive (joined) line segments? (i.e. without lifting your pencil off the paper).. ***Also, the segments may NOT cross over each other.
Try ONE MORE DOTS QUESTION in spare parts 7
7/13/15
Triangles and Area