To effectively solve multiplication problems, first you have to make sure you know what numbers to multiply. Multiply on paper and pencil, then double check by dividing. If the two answers don't match, look carefully at how you multiplied and divided, to see if you made any careless errors. If you can't spot any, try again.
heuristics
fixations
Yes
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By doing the arithmetic.
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Multiplication problems can be solved by consulting a multiplication table. Large numbers can be multiplied using a technique called Long Multiplication. One can also use an electronic calculator.
100
199
Factor puzzle are used to solve ratio problems and equivalent fraction problems. It is a way to practice multiplication and division.
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This usually depends on how the businesswoman think or the strategies that she uses in her business. Her decisions about solutions to the problems that she faces depends on the problem too and the approach that she chooses to choose problems. It is safe to say that she will do justice to solve the problems.