MATH in the News
For centuries, people have debated about the Mona Lisa, a 16th-century painting by Leonardo da Vinci. They wondered how to interpret the expression on the woman’s face. Some viewers say she is smiling but others think she looks sad. Some people even feel that the woman’s look, if viewed for a long time, changes from one of joy to one of sadness. Now science may have finally solved the riddle of Mona Lisa’s true emotion...
Each issue has a wealth of online resources. Here’s a FREE sample of some of the additional activities you get with your subscription:
This month’s instructional video explains how to use the distributive property to solve for a variable.
In these printable PDFs, students will practice using the distributive property to write equations from and solve word problems and learn how to distribute negative numbers.