# Arithmetic properties

14 videos

2 + 3 = 3 + 2, 6 x 4 = 4 x 6. Adding zero to a number does not change the number. Likewise, multiplying a number by 1 does not change it.
You may already know these things from working through other tutorials, but some people (not us) like to give these properties names that sound far more complicated than the property themselves. This tutorial (which we're not a fan of), is here just in case you're asked to identify the "Commutative Law of Multiplication". We believe the important thing isn't the fancy label, but the underlying idea (which isn't that fancy).

### CA Algebra I: Number properties and absolute value

VIDEO
12:02 minutes

1-7, number properties and absolute value equations

### Properties of numbers 1

VIDEO
2:03 minutes

### Number properties terminology 1

VIDEO
3:05 minutes

### Inverse property of addition

VIDEO
2:59 minutes

The simple idea that a number plus its negative is 0

### Inverse property of multiplication

VIDEO
3:17 minutes

Simple idea that multiplying by a numbers multiplicative inverse gets you back to one

### Properties of numbers 2

VIDEO
1:52 minutes