### Varsity Math Archive

Welcome to *Varsity Math*, the weekly math puzzle column by the National Museum of Mathematics and featured each weekend in the Wall Street Journal. For your convenience, here is the entire collection of *Varsity Math* puzzles to date.

**Week 152**: Nuts and Bolts & Bridge Crossing, solutions to Three Burning Ropes & Prime Perimeter

**Week 151**: Three Burning Ropes & Prime Perimeter, solutions to Make 29 & Circle of Friends

**Week 150**: Make 29 & Circle of Friends, solutions to Tile the Square & Largest Circle

**Week 149**: Tile the Square & Largest Circle, solutions to Cats and Dogs & Sporting Question

**Week 148**: Cats and Dogs & Sporting Question, solutions to Alternative Sum and Product & Math Quiz

**Week 147**: Alternative Sum and Product & Math Quiz, solutions to Mailing Problem & Pool Party

**Week 146**: Mailing Problem & Pool Party, solutions to Find m and n & Escape Room

**Week 145**: Find m and n & Escape Room, solutions to Liar’s Club & Palindrome Times

**Week 144**: Liar’s Club & Palindrome Times, solutions to Staircase Numbers & Arithmetical Question

**Week 143**: Staircase Numbers & Arithmetical Question, solutions to A Golden Set & Combining Rule

**Week 142**: A Golden Set & Combining Rule, solutions to Sudoku Variant & Making 8 and 16

**Week 141**: Sudoku Variant & Making 8 and 16, solutions to Nick’s Birthday & Burning Ropes

**Week 140**: Nick’s Birthday & Burning Ropes, solutions to Pondering Productivity & Cornfield Planning

**Week 139**: Pondering Productivity & Cornfield Planning, solutions to Close to a Quart & Math Party

**Week 138**: Close to a Quart & Math Party, solutions to Room for One More & End Points

**Week 137**: Room for One More & End Points, solutions to Sevens and Elevens & Three-Digit Squares

**Week 136**: Sevens and Elevens & Three-Digit Squares, solutions to Batting Order & Swimming Workout

**Week 135**: Batting Order & Swimming Workout, solutions to Maximization & Multiplication Table

**Week 134**: Maximization & Multiplication Table, solutions to Maximizing Links & Seven Points

**Week 133**: Maximizing Links & Seven Points, solutions to Time of Day & The Missing Element

**Week 132**: Time of Day & The Missing Element, solutions to Knight Trap & My Number is 136

**Week 131**: Knight Trap & My Number is 136, solutions to The Size of Humanity & Fish Pond

**Week 130**: The Size of Humanity & Fish Pond, solutions to Circumnavigation & Typos

**Week 129**: Circumnavigation & Typos, solutions to Roll Those Bones & Keeping Things Even

**Week 128**: Roll Those Bones & Keeping Things Even, solutions to Race to the Gate & Tricky Logic Game

**Week 127**: Race to the Gate & Tricky Logic Game, solutions to Logical Coffee Order & Here’s Looking at You

**Week 126**: Logical Coffee Order & Here’s Looking at You, solutions to Piece of Pi & Making 17 and 27

**Week 125**: Piece of Pi & Making 17 and 27, solutions to Cutting the Triangle & Square Repair

**Week 124**: Cutting the Triangle & Square Repair, solutions to Mining Mishap & Pulley Puzzle

**Week 123**: Mining Mishap & Pulley Puzzle, solutions to Rolling Circles & Minimum Racket Wear

**Week 122**: Rolling Circles & Minimum Racket Wear, solutions to Tennis Exhibition & Losing Streak

**Week 121**: Tennis Exhibition & Losing Streak, solutions to Breakfast, Lunch, or Dinner? & The 2018 Puzzle

**Week 119**: Solar Cap Versus Polar Cap & How Tall Is the Pole?, solutions to Good Relations & Square Purchases

**Week 118**: Good Relations & Square Purchases, solutions to Fifty-Fifty & Random Toss

**Week 117**: Fifty-Fifty & Random Toss, solutions to Divide by Three & Cutting the Domino

**Week 116**: Divide by Three & Cutting the Domino, solutions to Thanksgiving Split & Easy as Pie

**Week 115**: Thanksgiving Split & Easy as Pie, solutions to Primes and Products & Two Pints of Cider

**Week 114**: Primes and Products & Two Pints of Cider, solutions to Prime Presents 1 & Prime Presents 2

**Week 113**: Prime Presents 1 & Prime Presents 2, solutions to Precise Prescription & Gift Dilemma

**Week 112**: Precise Prescription & Gift Dilemma, solutions to Pumpkin Crop & The Halloween Goblin

**Week 111**: Pumpkin Crop & The Halloween Goblin, solutions to Making 25 & Two Ways to 32

**Week 110**: Making 25 & Two Ways to 32, solutions to Commuters’ Dilemma & Construction Conundrum

**Week 109**: Commuters’ Dilemma & Construction Conundrum, solutions to Nine Coins & Five Questionable Coins

**Week 108**: Nine Coins & Five Questionable Coins, solutions to Ten From Two & Triangular Boundary

**Week 107**: Ten From Two & Triangular Boundary, solutions to Simple Multiple & Small and Simple

**Week 106**: Simple Multiple & Small and Simple, solutions to Math for the Ages & Three Racers

**Week 105**: Math for the Ages & Three Racers, solutions to X Factor & Perfect Pairings

**Week 104**: X Factor & Perfect Pairings, solutions to Two Sums & Double-Faced

**Week 103**: Two Sums & Double-Faced, solutions to Zombie Epidemic & Revenge on the Zombies

**Week 102**: Zombie Epidemic & Revenge on the Zombies, solutions to Heads Up & Balanced Flip

**Week 101**: Heads Up & Balanced Flip, solutions to Average Triangle & Monotone 5

**Week 100**: Average Triangle & Monotone 5, solutions to Name that Card & Big Reveal

**Week 99**: Name that Card & Big Reveal, solutions to Upsetting Tournament & Calm Playoff

**Week 98**: Upsetting Tournament & Calm Playoff, solutions to Passing Fancy & My Sort of Train

**Week 97**: Passing Fancy & My Sort of Train, solutions to Fair Share & Share and Share A-Different

**Week 96**: Fair Share & Share and Share A-Different, solutions to Proper Place & Earliest Bird

**Week 95**: Proper Place & Earliest Bird, solutions to Penny Race & Quirky Quads

**Week 94**: Penny Race & Quirky Quads, solutions to Great 48 & Southern Circuit

**Week 93**: Great 48 & Southern Circuit, solutions to Sort of Hanoi-ing & Amphibian Marathon

**Week 92**: Sort of Hanoi-ing & Amphibian Marathon, solutions to Hard States & Great Star

**Week 91**: Hard States & Great Star, solutions to Thirds Squared & 3-4-5 Square

**Week 90**: Thirds Squared & 3-4-5 Square, solutions to World Turns & Water Slides

**Week 89**: World Turns & Water Slides, solutions to Soccer or Math? & Belt, Suspenders, and Braces

**Week 88**: Soccer or Math? & Belt, Suspenders, and Braces, solutions to Queen Bee & Coco-Not

**Week 87**: Queen Bee & Coco-Not, solutions to Uneven Odds & Stable Selection

**Week 86**: Uneven Odds & Stable Selection, solutions to Peri-area? & Hypotenuse Partition

**Week 85**: Peri-area? & Hypotenuse Partition, solutions to Cucina Combinations & Potato Puzzle

**Week 84**: Potato Puzzle & Cucina Combinations, solutions to Sour Lemons & One Liner

**Week 83**: Sour Lemons & One Liner, solutions to Curious Clock & Quadratic Triple

**Week 82**: Curious Clock & Quadratic Triple, solutions to Poor Pascal & Rascal’s Grid

**Week 81**: Poor Pascal & Rascal’s Grid, solutions to Secret Remainder & Party Puzzle

**Week 80**: Secret Remainder & Party Puzzle, solutions to Wing Nuts & Seven Eleven

**Week 79**: Wing Nuts & Seven Eleven, solutions to Polychromatic Pigs & Guest Gifts

**Week 78**: Polychromatic Pigs & Guest Gifts, solutions to Trial Squares & Four of Six

**Week 77**: Trial Squares & Four of Six, solutions to Unleash Your Inner Rectangle & Pent-up-gon

**Week 76**: Unleash Your Inner Rectangle & Pent-up-gon, solutions to Some Difference & In Your Prime

**Week 75**: Some Difference & In Your Prime, solutions to Frequent Figures & Doubled Digit

**Week 74**: Frequent Figures & Doubled Digit, solutions to Small Sudoku & Puny Pegs

**Week 73**: Small Sudoku & Puny Pegs, solutions to The Second Bisection & The Third Circle

**Week 72**: The Second Bisection & The Third Circle, solutions to Eye Like It & Pythagorean Poster

**Week 71**: Eye Like It & Pythagorean Poster, solutions to In The Groove & On The Path

**Week 70**: In The Groove & On The Path, solutions to Not Dozens & Festive Factorial

**Week 69**: Not Dozens & Festive Factorial, solutions to Snug Circle & Congruence Time

**Week 68**: Snug Circle & Congruence Time, solutions to Card 61 & Card T

**Week 67**: Card 61 & Card T, solutions to Long Haul & Postal Pathways

**Week 66**: Long Haul & Postal Pathways, solutions to Card 129 & Card 94

**Week 65**: Card 129 & Card 94, solutions to Skimpy Schedule & Passing Pennies

**Week 64**: Skimpy Schedule & Passing Pennies, solutions to Seating Arrangement & Stuck on Fairness

**Week 63**: Seating Arrangement & Stuck on Fairness, solutions to Grid Adjustment & Way Outside the Box

**Week 62**: Grid Adjustment & Way Outside the Box, solutions to Further Fairness & Double-Crossed Training

**Week 61**: Further Fairness & Double-Crossed Training, solutions to Edible Division & Counting Cars

**Week 60**: Counting Cars & Edible Division, solutions to Win-Win Move & Square of Harmony

**Week 59**: Win-Win Move & Square of Harmony, solutions to Nearly Invincible & Extremely Equal

**Week 58**: Nearly Invincible & Extremely Equal, solutions to Three Circles, One Distance & Circle Stack

**Week 57**: Circle Stack & Three Circles, One Distance, solutions to Equitable Area & Angular Equity

**Week 56**: Equitable Area & Angular Equity, solutions to Diagonalization & Regionalization

**Week 55**: Diagonalization & Regionalization, solutions to Watch for Falling Nuts & Fall Out of Line

**Week 54**: Watch for Falling Nuts & Fall Out of Line, solutions to Hexadiagonal & Hexintersection

**Week 53**: Hexadiagonal & Hexintersection, solutions to Mean Triangle & As Easy as 4132

**Week 52**: Mean Triangle & As Easy as 4132, solutions to Rhombarium & Well Trained

**Week 51**: Rhombarium & Well Trained, solutions to Olympic Unity & Try Jump

**Week 50**: Olympic Unity & Try Jump, solutions to Three-Pan Alley & Urn More Respect

**Week 49**: Three-Pan Alley & Urn More Respect, solutions to Circular Triangle & Spherical Cube

**Week 48**: Circular Triangle & Spherical Cube, solutions to How Many & How Old

**Week 47**: How Many & How Old, solutions to Deck a Tile & Try a Section

**Week 46**: Deck a Tile & Try a Section, solutions to Boat Row & Meandering Mate

**Week 45**: Boat Row & Meandering Mate, solutions to Guarding Variety & As the Day is Wrong

**Week 43**: Relation Riddle & Crusty Conundrum, solution to The Old Coin Game

**Week 42**: Triangulating the Difference & The Old Coin Game, solution to A Day Late and A Fence Short

**Week 40**: Awkward Positions & Sine of Success, solution to Spiral Notebook

**Week 39**: Stamp Stumper & Spiral Notebook, solution to Phenomenal Packing

**Week 37**: Equal Laterals & Isocircules, solution Circle Crossing

**Week 36**: Possible Parabolas & Circle Crossing, solution to Heart Trick

**Week 34**: Different Dice & No-Dispute Knights, solution to Subtle Sequences

**Week 33**: Simultaneous Remainders & Subtle Sequences, solution to Late Show

**Week 31**: Alien Arithmetic & Dream Sequence, solution to Treasure Trek

**Week 30**: Split Vote & Treasure Trek, solution to Patriotic Packing

**Week 28**: Closing Times & Midpoint Well Taken, solution to Fancy Dice

**Week 27**: Fancy Dice & Gothic Arc, solution to HIJKMNOP

**Week 26**: HIJKMNOP & Inscribed Square, solution to Time to Burn & Durable Digits

**Week 25**: Time to Burn & Durable Digits, solution to Noticing Numbers I & Noticing Numbers II

**Week 24**: Noticing Numbers I & Noticing Numbers II, solution to Football History & Hail Math-y

**Week 22**: Heptapiped & Math Star, solution to Rational Water

**Week 21**: Spiral Fleeing & Rational Water, solution to Plead Insanity

**Week 19**: Marble Jam & Cubic Conundrum, solution to Double Veracity

**Week 18**: Word Block & Double Veracity, solution to Beaver Bash

**Week 16**: Gonzi Scheme & New Year-amid, solution to Boxes Nest

**Week 15**: Boxes not Urns & Boxes Nest, solution to Crooked Clock

**Week 13**: Try Angles & Great Lengths, solution to Daunting Doorways

**Week 12**: Daunting Doorways & Slingshot Grid, solution to Design Data

**Week 10**: Mile High Stretch & Self-Sequential Reference, solutions to Minipixel & Stick Tac Toe

**Week 9**: Minipixel & Stick Tac Toe, solution to Triple Jeopardy

**Week 8**: Triple Jeopardy & Geometric Addition, solution to Hex Truss

**Week 7**: Hex Truss & Windows on the World, solutions to Sesquicycle & Carambola Bonus Problem

**Week 5**: Laborious Lockup & Prime Event, solution to Save the Camel

**Week 4**: Unsustainable Agriculture & Save the Camel, solution to Deranged Assistant

**Week 3**: Deranged Assistant & Rush Job, solution to Farm Roundup

**Week 2**: Carambola Orchard & Farm Roundup, solution to Instant Interrogation

**Week 1**: Instant Interrogation & Urn Respect

**Come back next week** for more puzzles.