| Commutative Property | The answer won't be different if you multiply in a different order |
| Associative Property | It doesn't matter how you group numbers |
| Distributive Property | Example: 3(45-32)=3(45)-3(32) |
| Mass | How much something weighs |
| Gram | Mass of a small paper clip |
| Milligram | Mass of a grain of sugar |
| Kilogram | Mass of a large book |
| Capacity | The amount a container can hold |
| Milliliter | Capacity of eyedropper |
| Liter | Capacity of large water bottle |
| Kiloliter | Capacity of 5 bathtubs |