Conversion Factors: How Old Are You in Nanoseconds?

birthday cupcake with sparkler

Homeschool Memories

[Based on a problem I made up for my co-op students, once upon a time…]

Conversion factors are special fractions that contain problem-solving information. Why are they called conversion factors?

  • “Conversion” means change, and conversion factors help you change the numbers and units in your problem.
  • “Factors” are things you multiply with. So to use a conversion factor, you will multiply it by something.

Continue reading Conversion Factors: How Old Are You in Nanoseconds?

Podcast: Charlotte Mason’s Living Math

family doing math together

Cindy Rollins, Dawn Duran, and I had a delightful chat about my new book, Charlotte Mason’s Living Math, which is now available in ebook (print editions coming soon!) at my Playful Math Store.

We talked about how math is a whole world full of big, living ideas that we can explore with our children. What it means to have a living education in math, opening our children’s minds to big ideas about the relationships of numbers, shapes, and patterns. And how to tell if our kids really understand what they are doing, or if they’re just parroting back the steps we taught them.

And lots more — listen for yourself…

Continue reading Podcast: Charlotte Mason’s Living Math

Column Jumping: An Investigation

man jumping on rock columns

Charlotte Mason's Living Math ebook editionIn my new book, Charlotte Mason’s Living Math, I encourage families to explore the world of math by asking big, open-ended questions.

[Now available exclusively in my Playful Math Store! Ebook only at the moment, but print editions are coming soon.]

Here’s an example of such a question, an excerpt from my earlier book, 70+ Things To Do with a Hundred Chart: Number, Shape, and Logic Activities from Preschool to Middle School.

Have fun exploring math with your kids!

Continue reading Column Jumping: An Investigation