IMG_1482 (700x392)IMG_1478 (700x393)IMG_1465 (700x394)IMG_1466 (700x395)IMG_1467 (700x394)IMG_1468 (700x392)IMG_1469 (700x392)IMG_1470 (700x392)IMG_1471 (700x392)IMG_1472 (700x393)IMG_1473 (700x392)IMG_1474 (700x395)IMG_1475 (700x394)IMG_1476 (700x394)IMG_1477 (700x394)IMG_1463 (700x393)IMG_1464 (700x394)IMG_1447 (700x394)IMG_1460 (700x392)IMG_1461 (700x392)IMG_1462 (700x392)IMG_1250 (2) (700x394)IMG_1250 (700x394)IMG_1251 (700x394)IMG_1252 (700x392)IMG_1254 (700x394)IMG_1255 (2) (700x394)IMG_1255 (700x393)IMG_1256 (700x394)IMG_1257 (700x393)IMG_1259 (700x394)IMG_1261 (700x394)IMG_1264 (700x394)IMG_1249 (700x394)IMG_1219 (700x394)IMG_1220 (700x393)IMG_1221 (700x395)IMG_1222 (700x393)IMG_1223 (700x394)IMG_1224 (700x394)IMG_1225 (700x394)IMG_1226 (700x393)IMG_1245 (2) (700x392)IMG_1245 (700x392)IMG_1246 (700x393)IMG_1247 (700x394)IMG_1191 (700x393)IMG_1193 (700x395)IMG_1217 (700x393)IMG_1175 (700x393)IMG_1189 (700x393)IMG_1190 (700x395)


Benford’s Law: Real Data Behaves as a Descending Logarithmic Curve

Benford's law, also called the first-digit law, is an observation about the frequency distribution of leading digits in many real-life sets of numerical data.

Fundamental Counting Principle — Tree Diagrams, Flipping a Coin, Criminology, License Plates, Menus, Passwords

When there are m ways to do one thing, and n ways to do another thing, the there are m

Math Contest: Logic-Based Word Problems (very challenging)

For the last two weeks, we have been working on strategies to solve challenging logic word-problems leading up to the Math Learning Math Contest.

Word Problems and Solutions -- Black Friday/Cyber Monday

After surviving another wonderful Thanksgiving in NYC, I experienced once again the crazy pace of Black Friday, Cyber Monday and Terrific Tuesday (I made that last one up). In negotiating extensively with several companies over the weekend, I once again was faced with hundreds of mathematical calculations using every operation (+-x/). Although calculations were critical, I noticed that many of the companies with whom I dealt made significant mistakes when using a calculator (usually a place value error). Also, being specific was critical.

Election 2016 Results by State Popular and Electoral College

The election on November 8, 2016 was a very close call in so many key states. It was also the first time that I remember the candidates being so divisive in style, rhetoric, message, policy, and yes, ethics. So many children were angry on Wednesday morning that I created a lesson focusing on how the results stacked up from a mathematical perspective.