Addition T-Shirts

Description: Math rocks with three happy rocks dancing with numbers is a funny gift design for mathematicians, math school teachers and students who love to work with numbers.

Description: Jane’s Addition Nothing’s Shocking 10/10

Description: Please Excuse My Dear Aunt Sally

Description: Another Fine Addition To My Collection is a simple design for daily wear. Cool design for collectors.

Description: Celebrate your growing family with this clever 'Love Math' pregnancy announcement design. Featuring a cute heart-based equation, this minimalist graphic is the perfect funny way to reveal your baby news to friends and family. Ideal for expecting parents who love smart humor, it makes a wonderful surprise for a pregnancy reveal party or a sweet Valentine's Day baby announcement.

Description: A simple, bold composition on a black background featuring mathematical symbols in vibrant colors. From left to right: an orange plus sign, a green minus sign, two blue equal signs stacked vertically, a red division symbol with two dots, and a yellow multiplication cross. Below these symbols, the white text 'Mathematics Tour' is displayed in a stylized, cursive font.

Description: Searching for the perfect laser sword for your collection? This art deco antique shop design is a brilliant inside joke for fans of a certain four-armed collector

Description: Announce your newest addition with this groovy, retro-inspired graphic. Ideal for educators or expectant parents celebrating a growing family entering the classroom setting. Fun colors and school motifs.

Description: YOU'D MAKE A FINE ADDITION TO MY SOUP

Description: Welcome Tarik Skubal to Los Angeles with a Dodgers baseball design inspired by the major 2026 trade and the ace pitcher’s arrival in the rotation.

Description: You Don't Scare Me I Have Five Kids design

Description: You Don't Scare Me I Have Five Kids design

Description: You Don't Scare Me I Have Five Kids design

Description: Spooky math fun with pumpkins, ghosts, and candy for Halloween!

Description: Math, the only subject that counts is a funny mathematics gift design with a double meaning for mathematicians, math students and teachers.

Description: One More Reason To Be Thankful This Year. Celebrate pregnancy and a new baby arrival with this design for expecting parents during Thanksgiving or the fall season. A perfect announcement for a new family addition.

Description: New Baby Arrival Humor For Parents. Celebrate A Baby Announcement With This Funny Sarcastic Design. "Your Little Ray Of Sarcastic Sunshine Has Arrived" Is Perfect For Expecting Parents And Family Gifts.

Description: Celebrate the exciting arrival of a new family member with this gamer-themed design. Player 3 Has Entered The Game is perfect for expecting parents, baby announcements, or new baby gifts.

Description: Fun math design for celebrating a milestone! Perfect for students & teachers marking 100 school days with addition. A great commemorative gift.

Description: Bridesman design

Description: Fun design celebrating the 100th day! Perfect for educators, pupils and the celebration day. Great souvenir to remember that milestone.

Description: Bridesman design

Description: Bridesman design

Description: Get ready for the classroom with this hilarious dinosaur math design! Perfect for math teachers, students, and science lovers who appreciate a good laugh about extinction and education.

Description: A cheerful math-themed design featuring the phrase “Just A Boy Who Loves Math” with playful cartoon-style lettering, number-inspired faces, and bright calculator symbol icons. The colorful layout highlights addition, subtraction, multiplication, and equations in a fun elementary school style. This artwork celebrates a love of numbers, learning, classroom confidence, and math curiosity with a cute kid-friendly visual approach.

Description: Celebrate the holistic power of your practice with this inspirational design. Perfect for those who believe yoga adds vital energy, inner strength, and beauty to the body, mind, and soul.

Description: Math, the only subject that counts is a funny mathematics gift design with a double meaning for mathematicians, math students and teachers.

Description: The art style perfectly executes a 70s retro brewery and flat-vector pop art aesthetic. By pairing a literal pint of beer with the comforting phrase "Liquid Sunshine," the design hits a cheerful, relaxing tone without being overly complex. It speaks directly to craft beer enthusiasts, microbrewery visitors, beachgoers, campers, and anyone who enjoys a cold drink on a hot summer afternoon, making it a stellar addition to your TeePublic store!

Description: Fun design celebrating 100 days of learning math! Perfect for teachers and students marking this milestone.

Description: Celebrate the upcoming arrival of a new family member with this fun pregnancy announcement illustration. Featuring cute baby footprints and a blue loading symbol, it is perfect for a future big brother expecting a sibling in 2026.

Description: Be Like Subtraction And Make A Difference T-Shirt

Description: Be Like Subtraction And Make A Difference T-Shirt

Description: "OUR DEN JUST" GOT CUTER

Description: What happens when you add cakes. Cake + Cake = Cake Addition

Description: Irrational But Well Rounded Funny Pi Day Math Teacher

Description: A simple math design with numbers and a plus sign on a white background