Clock math, 1,2,3,4,5,6,7,8,9,10,11,12,1,2,3,4,5,6,7… is modular math. Let your students learn about the usefulness of modular math as they color and explore Pascal’s Triangle. Very pretty math!
Pascal coloring and modular math
Tag: 5.OA
Hanukkah dates keep changing!
3 Hanukkah activities; the amazing Hebrew calendar, soda menorah, and potato latkes. In the calendar activity, students look at the Hebrew calendar and appreciate the incredible mathematics involved in creating a calendar that aligns both the moon’s revolution about the Earth and the Earth’s revolution about the Sun.
The Forever Roll
Why would anyone need such a big roll of toilet paper? How does it compare to Charmin’s other toilet paper products? If this roll lasts for one month, how big a roll would I need to be able to last for one year?
Labor Day 2019
Updated! What is this holiday about? Are we celebrating the start of school? New cars? The end of summer? In this short activity, students learn about the intended meaning of Labor Day as they read about its origin. For the…
What’s the answer?
Math doesn’t usually create a buzz on Twitter. This past week this post did just that. People argued online about whether the answer was 16 or 1 and proceeded to insult each other’s intelligence in doing so. Use our write-up…
Memorial Day, 2019
This Monday Americans will celebrate Memorial Day. Who are we honoring? How did the holiday come about? Isn’t Memorial Day usually on May 30th? Students learn a little about the history of the holiday, analyze the possibilities and patterns for when…
World Cup rankings
In December soccer teams with the strongest world rankings were chosen to play in the once-every-4-years World Cup. The World Cup competition has just begun and will continue through July 15th. The team rankings are calculated in a pretty complex…
Want to earn $150,000? – Mersenne prime search
What’s a Mersenne prime? How hard could it be to find the next one? Why are there only 50 known Mersenne primes? What’s with $150,000? The activity: NewMersennePrime.pdf
Winter Olympics, PyeongChang: February 9 – 25
Scoring Ski jumping – The scoring rubric for each of the Olympic events is intended to eliminate the possibility of scoring bias from the judges. Let your students learn more about the scoring of one event and decide whether it seems fair…
Saffron and paella
In order to cook Paella (a delicious Spanish rice dish) I needed to buy Saffron spice. It was hugely expensive. So, I’ve decided to start a business of growing saffron and becoming immensely wealthy.
Three great World Cup activities
World Cup ranking – Students explore the ranking formulated from each team’s previous 4 years of play in their geographical divisions. The formula is complex and weighted. Is it fair? 5.OA, 5.NBT, 5.NF.B, 6.NS.B, 6.EE, 6.SP, 7.EE, 8.F, 8.SP, HSA World…
Scoring Olympic ski jumping
Updated for 2018!The scoring rubric for each of the Olympic events is intended to eliminate the possibility of scoring bias from the judges. Let your students learn more about the scoring of one event and decide whether it seems fair…