| Term | Definition |
| mass | similar to weight; the amount of matter in an object |
| substance | something that has weight and takes up space or the material something is made of |
| texture | the look and feel of something, especially its roughness or smoothness |
| absorb | to soak up or to take in |
| associative property | used in addition and multiplication only; means you can group in any way without changing the answer ex: 1+ (2 +3) = (1+2) + 3 and 2 x (4 x 3) = (2 x 4 ) x3 |
| prime | a number that has exactly two factors: 1 and itself |
| composite | a number that has more than two factors |
| multiple | The product of a given number and another number, for example 4 x 2 = 8, so 8 is a multiple of 4, as are 12, 16, 20, etc. |
| product | the answer to a multiplication problem |
| factor | numbers multiplied together to get a product |