Finding Where Two Lines Intersect: Khan Academy Lessons

Khan Academy videos on how to solve systems of linear equations: Use a graphing calculator to double check your lines, or use WolframAlpha, or use my simple line grapher. by Graphing Video: Solving Linear Systems by Graphing Most algebra texts have good problem sets for practice (Khan Academy does not – as yet). by Substitution … Continue reading “Finding Where Two Lines Intersect: Khan Academy Lessons”

A Review of Fractions: Based on Khan Academy Lessons

This is a basic review of working with fractions using lessons and practice sets from the Khan Academy. 1. Adding Fractions with a Common Denominator The first topic — adding fractions –ought to be really easy for algebra students, but it allows them to become familiar with the Khan Academy website and doing the practice … Continue reading “A Review of Fractions: Based on Khan Academy Lessons”

Math Flowcharts

To help students track their progress in math we’ve started requiring them to map what they’re doing on flowcharts. Right now, they’re doing it on paper, but we’re working on getting it to be all electronic. Tracking with the charts helps them see how what they’ve done fits into the bigger picture. It allows them … Continue reading “Math Flowcharts”