Multiplication And Division

Multiplication And DivisionBy:Andrew

MultiplicationMultiplication is like 9 nine times, like in 99. So, say you where at the store. You want to buy 12 cans of pop. You can get 2 six-packs or 1 twelve pack. A twelve pack is $6 and the 6 packs are $2. Which is the better answer?How to solve with multiplication2 six packs- $22=$41 twelve pack=$6That shows that 2 six packs is the better price.Multiplication algorithms Partial ProductsAndLattice

DivisionDivision is dividing a number into a certain number of groups. So, say you ordered 6 pizzas. You cut each of them in fourths. Now you have 24 fourths of a pizza. You invited 5 people. Each person (including you) is expected to eat 2 fourths. Did you buy enough?How to solve with Division24 fourths divided by 6 people equals 4 fourths, so you bought WAY to much. Division algorithmsPartial Quotients

DivisionMultiplicationRelations and Differences1 algorithmNumber goes down.Similar to other math. operation, subtraction.2 algorithmsNumber usually goes upSimilar to other math operation, addition.

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