Reddit reviews Arithmetricks: 50 Easy Ways to Add, Subtract, Multiply, and Divide Without a Calculator
We found 2 Reddit comments about Arithmetricks: 50 Easy Ways to Add, Subtract, Multiply, and Divide Without a Calculator. Here are the top ones, ranked by their Reddit score.
Number Freak: From 1 to 200- The Hidden Language of Numbers Revealed
A Mathematician's Lament: How School Cheats Us Out of Our Most Fascinating and Imaginative Art Form
Arithmetricks: 50 Easy Ways to Add, Subtract, Multiply, and Divide Without a Calculator (Hey, you said light!)
I swear all the really well written general books on math were written before 1980! Check out Mathematics, Its Magic and Mastery.
If you want to help her with Math, allow me to recommend Mental Math!
You could guide her through one of these 2 books:
Arithmetricks: 50 Easy Ways to Add, Subtract, Multiply, and Divide Without a Calculator
Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks
Or if computer games are more her thing, check out Mathemagics (available on OSX and iOS).
Here's some further reading on the subject if you're interested.