We are barely half-way into the lessons of *Ray’s Primary Arithmetic* and already I have been approached to do *Ray’s New Algebra* next year! Wow. I’m still working out the details and logistics of it. 314 more words

## Tags » Arithmetic

#### Ray's New Algebra on the Horizon

#### Ray's New... Math Website!

You may have noticed that things look a little bit *different* here since our last posting.

During the past month we’ve been busy — very busy — not only producing math videos for… 521 more words

#### Latest Lessons: Subtraction

We’ve left addition for the moment. But only for a moment.

The next section of *Ray’s Primary Arithmetic* book is SUBTRACTION.

That starts at Lesson 24–sorry, XXIV. 72 more words