If you’re a math teacher, every day is a reason to celebrate math, but did you know that there are also a multitude of “holidays” centered around math? Using a math holiday as an angle to get students excited about math adds up to a whole lot of fun! We hope this list will inspire and energize your math teaching throughout the year.
1. e Day
If you teach any high school students with irrational math fears, then help them transcend their fears on February 7. Euler’s number, e, which is both irrational and transcendental, rounds to 2.7, thus we have e Day on 2/7. Show students the practical use of Euler’s number by introducing them to continuous compounding interest. A little lesson in financial literacy is always valuable!
2. 100th Day of School
The number of creative ways to celebrate this day is certainly not limited to 100! Ask students to bring in containers of 100 small objects and display them around the school. Have students create a list of 100 reasons why they love their school or community. Explore what life was like 100 years ago. Collect 100 food items and donate them to your local food pantry. Visit Help Teaching to use our 100 charts and lessons, as well as all of our counting worksheets.
3. Pi Day
Pi may be infinite, but Pi Day is not. Celebrate Pi Day on March 14 in recognition of its common abbreviation, 3.14. Plan a party with your students, but wait to sound the party horns until exactly 1:59 in the afternoon (3.14159)! Double the fun and make it a party for Albert Einstein, whose birthday is also on March 14. Be sure to check out Help Teaching’s worksheets featuring the number pi. Pi Day also kicks off World Math Week.
4. Mathematics & Statistics Awareness Month
Use all 1 + 4 + 9 + 16 days of April to celebrate the beauty and fun of mathematics. Focus on bringing math alive by making math relevant for students and connecting math and statistics to real-world problems. Elementary students can record daily weather data throughout April, then graph and analyze their results. Middle school students are at an age where decision making becomes more independent. Connect daily decisions making to probability with the game-based activity SKUNK. High school students have enough mathematical background to develop statistical questions on topics of personal interest, then collect, interpret, and present their data. Get started with this collection of statistics worksheets.
5. Square Root Day
The only thing square about Square Root Day is the date. When the day and the month are both the square root of the last two digits of the year, we have a Square Root Day. April 4, 2016 (4/4/16) was a Square Root Day, but the next one won’t be until May 5, 2025 (5/5/25)! Get radical and make these special days square-themed.
6. Palindrome Days
Palindrome days aren’t just for students named Bob or Hannah. Palindrome days fall on any dates where the numbers of the month, day, and year are the same both forward and backwards. For example, June 10, 2016 was a Palindrome Day (6/10/16), but only in countries where dates are written month/day! Challenge your students to formulate lists of future Palindrome dates. Start with five-digit Palindrome dates (M/DD/YY) and work up to eight-digit dates (MM/DD/YYYY).
7. Pythagorean Theorem Day
As proof that the squares don’t have a monopoly on the math holidays, Pythagorean Theorem Day comes around periodically. Also known as Right Triangle Day, recognize Pythagorean Theorem Day whenever the sums of the squares of the month and day equals the square of the last two digits of the year. August 15, 2017 (8/15/17) and December 16, 2020 (12/16/20) are both Pythagorean Theorem Days. Make sure to check out our self-paced lesson on Solving Right Triangles.
8. Math Storytelling Day
No need to divide your instructional time between math and ELA on September 25 (9/25), it’s Math Storytelling Day! There are many ways to teach math through storytelling. Start the day by reading Math Curse, The Grapes of Math, or Sir Cumference or any math story to your students. Try a math story lesson like The General Sherman Tree or Let’s Go to the Zoo. Then, provide a writing prompt and ask students to write and share their own math stories.
9. Powers of Ten Day
Although 10/10/10 has passed, each October 10 can still be used to illustrate the powers of tens. Show your students the power of magnitude by screening the classic film Powers of TenTM. Spend at least one-tenth of your class time this day doing hands-on decimal or base ten exponent activities.
10. Mole Day
No, this day doesn’t pay homage to the subterranean dwellers. Rather, it is a special day for anyone with an interest in math or chemistry. If you remember Avogadro’s number, then you may guess the date of this math day! Mole Day takes place on October 23 each year between 6:02 a.m. and 6:02 p.m. (6.02 x 10^23) during National Chemistry Week. Use Help Teaching’s Chemistry Lessons and this TedEd video to introduce students to mathematical moles.
11. Fibonacci Day
Quick, what number comes next: 0 + 1 + 1 + 2 + 3 + ___? If you said five, then embrace your inner math geek and celebrate Fibonacci Day with your students on November 23 (11/23). Take this day to let your students explore the Fibonacci sequence and the Golden Ratio in nature. Mensa for Kids offers a nice selection of activities perfect for introducing students to the elegance of Fibonacci.
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