IXL | Relate addition and multiplication | 3rd grade math

or

Which expression equals

3

×

2

?

2

+

2

2

+

2

+

2

2

+

2

+

2

+

2

2

+

2

+

2

+

2

+

2

ref_doc_title.

or

Learn with an example

question

Which expression equals

4

×

2

?

2

+

2

+

2

2

+

2

+

2

+

2

2

+

2

+

2

+

2

+

2

2

+

2

+

2

+

2

+

2

+

2

key idea

You can use repeated addition to show multiplication.

solution

You can use repeated addition to show

4

×

2

.

To find the addition expression, it can be helpful to use a model, like an array. Ask yourself: ''How can

4

×

2

be shown with an array?''

4	×	2

Number of rows in the array		Number in each row

Look at an array of dots with 4 rows and 2 dots in each row.

2

+2

+2

+2

You can find the number of dots in the array by multiplying

4

×

2

or by adding 2s together 4 times.

4

×

2

=

2

+

2

+

2

+

2

Looking for more? Try these:

Lesson: Multiplication as repeated addition

or

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Teacher tools

Work it out

Not feeling ready yet? These can help:

N.6Relate addition and multiplication for equal groups

N.8Identify multiplication expressions for arrays

Lesson: Multiplication as repeated addition