High-Speed Operations
You know your basic operations—addition, subtraction, multiplication, and division. But I’m sure you’ve wondered many times if there were quicker and easier ways to get the answers. Well, you’re in luck! Through speed math, you can use shortcuts and other helpful methods to not only get the fast answers, but, more importantly, the right answers!
In this part, I guide you through the ways you can speed up addition, subtraction, multiplication, and division. I close the part with a chapter on digit sums, which can help you check your answers for each operation.
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