Capturing Classroom Ideas: 9's Multiplication Anchor Chart ... Math HW HELP! No I do not know my 9 multiplication tables by memory...
How to Multiply by 9 Using your Fingers
I don't think i ever knew this... i always used the (ex. 9x3= the number below the # being multipled by 9 .. like 2 then the second number is whatever is added to get 9 ... answer 7)... hope that makes sense lol :)
Fast Math Tricks - How to multiply 2 digit numbers up to 100 - the fast way!