| A | B |
| addend | any one of the numbers added in a problem |
| algorithm | the rules to follow for a mathematic problem |
| difference | the answer to a subtraction problem |
| numerator | the top number in a fraction |
| denominator | the bottom number in a fraction |
| a.m. | the hours from midnight to noon |
| product | the answer to a multiplication problem |
| quotient | the answer to a division problem |
| sum | the answer to an addition problem |
| p.m. | the hours from noon to midnight |
| p.m. | You would eat our supper with your parents now. |
| a.m. | You should be in bed asleep now. |
| equivalent | equal in size or value |
| equivalent | 5+ 10 is _____ to 20 - 5 |
| difference | In the problem 7-6= 1, the number 1 is the _____. |
| sum | In the problem 5 + 8 = 13, the number 13 is the _____. |
| product | In the number 7 X 8= 56, the number 56 is the ____. |
| addend | In the problem 2 + 4 = 6, the number 2 is an _____. |