Construct Congruent Angles

Construct Congruent Angles

Today we’ll be looking at another basic construction: congruent angles.  You can use this construction to copy any angle without using a protractor to measure. Begin with the angle you would like to copy. Draw any ray.  This will act

Geometric Drawing

Geometric Drawing

This week, the big kids are working on their geometric constructions, mathematical drawings achieved with the use of only a compass and an unmarked straight edge. This is one of my favorite units to teach.  Mathematics in general is an

Hands-On History: Currency Inflation

Hands-On History: Currency Inflation

If you’re teaching your kids about finances and not talking about inflation, debasement, and fiat currencies, you’re really missing out on a golden opportunity. See what I did there? For a hands-on exploration, get two quarters: one dated before 1965

Econ for Everybody

Econ for Everybody

Among the most sorely neglected subjects in public education, economics is a fascinating and practical discipline. Our understanding of econ has enormous ramifications for how we view the world, how we vote, and of course, how we manage our own

Rise over Run Away!

Rise over Run Away!

Need to teach your big kid slope-intercept form but don’t really feel like explaining it?  Break out the ol’ TI 86 — or use the amazing free Desmos graphing calculator — and let her figure it out herself. Given the