Number (mult/div)
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CanadaON
Grade 5

Multiplication as repeated addition (15x15)

Lesson

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.

 

 

Outcomes

5.NN3.03

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

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