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This makes head math much easier and I can actually keep the numbers in my head longer. Well worth the time to learn. It moves fast enough to keep you interested. Definitely is not boring!
Verified purchase: Yes | Condition: New
Well it is exactly as the title says. It is handy to be confident in your mental ability to do math on the fly in your head. Is it fun? No! It takes some practice but it does work if you practice!
Verified purchase: Yes | Condition: New
The secrets of mental math does have cool ideas for learning Math. Many ways of learning math.
Verified purchase: Yes | Condition: Pre-owned
Verified purchase: Yes | Condition: New
Very good course!
Verified purchase: Yes | Condition: Pre-owned
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