Multiplication.com is a great website for kids just learning or struggling to learn multiplication facts.
"This site contains the techniques, tips, and secrets used by master teachers!"
I have found that multiplication is the source of all math problems. If a child is having problems with division, fractions, or any higher math function, I can almost always be traced back to issues with multiplication. Take your time teaching multiplication, taking the entire year if need be. They will move faster through later concepts once they are experts at multiplying.
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also check outTimes Tables the Fun Way: Book for Kids: A Picture Method of Learning the Multiplication Facts