When students take Algebra 1 matters. If high schoolers don’t pass the course by 9th grade, they’re unlikely to reach college-preparatory math in high school. There are too many courses to get ...

In the fall of 2019, four high schools in a San Francisco Bay Area district shook up many of their ninth grade math classes. Students had traditionally been separated into more than five math courses ...

The landscape of homological algebra has evolved over the past half-century into a fundamental tool for the working mathematician. This book provides a unified account of homological algebra as it ...

Algebraic expressions can be expanded - multiplied by one or more terms. They may also be simplified – made shorter and simpler by collecting like terms. Multiply \(-3\) by \(-4\) using the rule ...