Speed Math4Kids Quick Reference Chart (Bill Handley's Method)
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- เผยแพร่เมื่อ 20 พ.ย. 2011
- No time to read the book, read the 10pg slideshow!
Just when you need to remind yourself of how to do speed math but have forgotten, print out this little quick reference booklet to remind yourself.
For competent knowledge of the fun speed math method, I'd recommend studying the complete book
