Arithmetic Grade Six
Lesson Eleven: Multiplication Review
Multiplication can be thought of as a short cut for adding the same number
over and over. Consider this example:
5 + 5 + 5 + 5 + 5 + 5 = 30
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Here we added six fives for a sum of 30. We can translate this addition
problem to a multiplication problem like this:
Here's another example:
4 + 4 + 4 + 4 + 4 + 4 + 4 = 28
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Here we add seven fours for a sum of 28. We can write this as a
multiplication problem like this:
The answer to a multiplication problem is called the product. The order of
the numbers we multiply together doesn't matter. Both 4 x 7 and 7 x 4 equal
28. In the same way 6 x 5 and 5 x 6 both equal 30.
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