Skip to main content
Scientific American
Illustration of a hand and multiple numbers against a purple background.

Math Puzzles

Stretch your math muscles with these puzzles.

The Worm Moon over the city of New Orleans on March 13th, 2025, pictured between two branches seen out of focus in the foreground
GamesOctober 18, 2025

Math Puzzle: Measure the Moon

Martin Gardner
Pink piggy bank on blue background
GamesOctober 11, 2025

Math Puzzle: Steal the Piggy Bank

Jack Murtagh
Graphic shows the face of a clock with lines in place of numbers and three hands of equal length pointing in different directions. The clock is oriented slightly askew to indicate that the orientation is ambiguous, but if it were rotated a few degrees clockwise and the top center line were the 12, two of the hands would point exactly at 8 and 10 respectively, and the third hand would point just above the 3.
GamesOctober 4, 2025

Math Puzzle: Find the Time

Heinrich Hemme
Beautiful pine forest on the Baltic seaside shows a dirt path splitting in two
GamesSeptember 27, 2025

Math Puzzle: The Wanderer’s Return

Jack Murtagh
Airplane making circle trace against clear blue sky
GamesSeptember 20, 2025

Math Puzzle: A Plane Circle

Martin Gardner
Two equations are shown: ALL plus ACE equals CREW and CARD plus CORD equals GURU
GamesSeptember 13, 2025

Math Puzzle: Crack the Code

Jack Murtagh
Graphic shows two pairs of mathematical knots labeled “pair 1” and “pair 2.” The knots within each pair are identical except for one difference in the looping configuration.
GamesSeptember 6, 2025

Math Puzzle: Find the Unknot

Emma R. Hasson
Graphic shows a Rubik’s cube with three visible faces consisting of red, green and yellow squares.
GamesAugust 30, 2025

Math Puzzle: Rubik’s Cube Shadows

Jack Murtagh
Varieties of fresh pears and apples at a farmers market
GamesAugust 23, 2025

Math Puzzle: Spot a Liar

Heinrich Hemme
Illustration of a hand and multiple numbers against a purple background.
GamesAugust 16, 2025

Math Puzzle: You Win Some, You Lose Some

Jack Murtagh
A square with eight dots along the edges: one at each corner and one at the center point of each side.
GamesAugust 9, 2025

Math Puzzle: Dissect the Square

Emma R. Hasson
Sudoku grid filled out with the following digits. First row: 2, 3, 6, 4, 1, 5, 8, 9, 7; second row: 7, 4, 9, 3, 8, 2, 6, 5, 1; third row: 8, 5, 1, 9, 6, 7, 4, 2, 3; fourth row: 1, 6, 4, 8, 2, 9, 7, 3, 5; fifth row: 3, 8, 7, 1, 5, 4, 2, 6, 9; sixth row: 5, 9, 2, 7, 3, 6, 1, 4, 8; seventh row: 9, 7, 5, 2, 4, 1, 3, 8, 6; eighth row: 6, 2, 3, 5, 7, 8, 9, 1, 4; ninth row: 4, 1, 8, 6, 9, 3, 5, 7, 2. The four cells forming a two-by-two square at each corner of the grid are shaded blue, and the 16 cells surrounding the nine cells in the center of the grid are shaded orange.
GamesAugust 2, 2025

Math Puzzle: Sudoku Surprise

Jack Murtagh
PreviousNext

Subscribe to Scientific American to learn and share the most exciting discoveries, innovations and ideas shaping our world today.

Subscription PlansGive a Gift Subscription
  • Explore SciAm
  • Latest Issue
  • News
  • Opinion
  • Newsletters
  • Podcasts
  • Games
  • Travel
  • Company
  • About
  • Press Room
  • FAQs
  • Contact Us
  • Standards & Ethics
  • International Editions
  • Advertise
  • More
  • Accessibility
  • Terms of Use
  • Privacy Policy
  • US State Privacy Rights
  • Use of cookies/Do not sell my data
  • Return & Refund Policy

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us). Scientific American maintains a strict policy of editorial independence in reporting developments in science to our readers.

© 2026 SCIENTIFIC AMERICAN, A DIVISION OF SPRINGER NATURE AMERICA, INC.
ALL RIGHTS RESERVED.