Which property: 3 + 5 = 5 + 3

Step by step, with the reason for every step · Number properties for mental math · Foundations

Step by step

Question: which property is this: 3 + 5 = 5 + 3?

3 + 5 = 5 + 3

Look at both sides.

The order changed.

the order changed

So it is the commutative property of addition.

= commutative property of addition

Let's check: work out both sides.

The left side is 8.

The right side is 8.

Both the same.

So the answer is right!

3 + 5 = 8, 5 + 3 = 8

Let's look back.

First: compare the two sides.

Last: check.

Answer

= commutative property of addition

Try this one yourself, then check:

Which property is this: 7 + 9 = 9 + 7

Show the answer

commutative property of addition