Number (mult/div)
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Grade 5

Multiplication as repeated addition (15x15)


By looking at equal groups of objects, we can see that repeated addition helps us work out how many we have altogether.  Repeated addition is a way to make sense of multiplying.

 Let's have a look at how repeated addition helps to demonstrate what is really going on with multiplication of whole numbers.





Multiply two-digit whole numbers by two-digit whole numbers, using estimation, student-generated algorithms, and standard algorithms

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