What’s the True Cost of Christmas? $170,609.46

BUSINESS MATH For 35 years, PNC Bank has calculated the prices of the 12 gifts from the classic carol “The Twelve Days of Christmas.” The result is the Christmas Price Index, a unique and whimsical holiday tradition that makes learning about the economy fun. (PNC) Use PNC and the SIFMA Foundation’s middle-school lesson plan to introduce students to basic financial literacy. Teachers, scroll down for … Continue reading What’s the True Cost of Christmas? $170,609.46

Educator Spotlight: Asking ‘Thick Questions’ to Understand Geographic Data

Peter Michaud incorporates geography into his lessons for subjects ranging from math to literacy. In an activity that combined data and statistics with mapping, he encouraged his fifth-graders to ask “thick questions” and consider different perspectives when answering them. Continue reading Educator Spotlight: Asking ‘Thick Questions’ to Understand Geographic Data

How Math and Poetry Intersect

ARTS Both poetry and math require economy and precision—and each perspective can enhance the other. (Smithsonian) Use our activity to introduce students to math, poetry, and nature. Teachers, scroll down for a quick list of key resources in our Teachers Toolkit. Discussion Ideas One of the primary characteristics shared by many forms of poetry and math is the use of formulas. How does mathematics use … Continue reading How Math and Poetry Intersect

Scientists Decipher Ancient Mathematical Mystery

WORLD A 3700-year-old Babylonian clay tablet may be the world’s oldest trigonometric table—and in many ways, more accurate than any today. (The Guardian) What other “firsts” were documented in ancient clay tablets? Teachers, scroll down for a quick list of key resources in our Teachers Toolkit, including today’s simple MapMaker Interactive map. Discussion Ideas The fascinating new research analyzes Plimpton 322, a 3700-year-old Babylonian clay … Continue reading Scientists Decipher Ancient Mathematical Mystery