| A | B |
| addtion | to join |
| addend | any number used to get the sum or total |
| subtraction | to take one quantity away from another |
| sum | the total or amount, the result of adding |
| factor | a whole number that divides exactly into another number |
| tens | a place number equal to 10 ones |
| ones | a place in the place value systtem in between the tens and tenths |
| hundreds | a place in ace value eual to 100 ones or 10 tens |
| borrowing | borrowing is in a subtration |
| nice number | there numbers that you can get the answer very easy |