| A | B |
| acute angle | angle less than 90 degrees |
| capacity | amount something can hold |
| multiple | result of multiplying by a whole number |
| composite number | number with three or more factors |
| cube | three dimensional shape with 6 identical faces |
| data | collection of facts |
| denominator | number at the bottom of a fraction |
| difference | answer to a subtraction problem |
| equation | mathematacal sentence |
| numerator | number on top of a fraction |
| prime number | has only two factors, 1 and itself |
| probability | chance an event will occur |
| congruent | same size and same shape |
| factors | numbers multiplied together to get another number |
| fraction | part of a whole |