![Math Tricks: Multiplication (1 of 30) How to Quickly Check Your Multiplication Without a Calculator! - YouTube Math Tricks: Multiplication (1 of 30) How to Quickly Check Your Multiplication Without a Calculator! - YouTube](https://i.ytimg.com/vi/pqDb-xL8sJg/hqdefault.jpg)
Math Tricks: Multiplication (1 of 30) How to Quickly Check Your Multiplication Without a Calculator! - YouTube
![SOLVED:You can use binomial multiplication to multiply numbers without a calculator. Say you need to multiply 13 times 15. Think of 13 as 10 + 3 and 15 as 10 + 5. ( SOLVED:You can use binomial multiplication to multiply numbers without a calculator. Say you need to multiply 13 times 15. Think of 13 as 10 + 3 and 15 as 10 + 5. (](https://cdn.numerade.com/previews/a372c3f6-3612-43fc-ab96-2e87404d1fe5.gif)
SOLVED:You can use binomial multiplication to multiply numbers without a calculator. Say you need to multiply 13 times 15. Think of 13 as 10 + 3 and 15 as 10 + 5. (
![Hate Math? These Mental Tricks Will Have You Multiplying Faster Than Einstein Ever Could! « Mind Hacks :: WonderHowTo Hate Math? These Mental Tricks Will Have You Multiplying Faster Than Einstein Ever Could! « Mind Hacks :: WonderHowTo](https://img.wonderhowto.com/img/39/15/63501882939442/0/hate-math-these-mental-tricks-will-have-you-multiplying-faster-than-einstein-ever-could.w1456.jpg)