| A | B |
| Ratio | a comparison of two quantities, often written as a fraction |
| Rate | a ratio in which two quantities with different units of measure are compared |
| Unit Rate | a rate in which the second number in the comparison is one unit |
| Proportion | a pair of equal ratios |
| Line Symmetry | the ability of a figure to be folded into congruent halves |
| Congruent | having the same size and shape |
| Reflection | the mirror image of a figure that has been 'flipped' over a line |
| Rotation | the image of a figure that has been 'turned' as if on a wheel |
| Rotational Symmetry | the ability of a figure to be rotated less than a full circle and exactly match its original image |
| Translation | the image of a figure that has been slid to a new position without flipping or turning |
| Tessellation | a pattern of congruent shapes covering a surface without gaps or overlaps |
| Probability | a ratio of the number of ways an event can happen to the total number of possible outcomes |
| Tree Diagrams | a branching, tree-like diagram showing all possible outcomes of a situation |