Number Talk Discussion #4

34 - 9

There are a number of ways to approach this problem. Before we look at them, let's define each term of the subtraction problem. 

34 is the minuend. The minuend is the first number in a subtraction problem. The number from which another number is to be subtracted. 

9 is the subtrahend. The subtrahend is the number that is to be subtracted. The second number in a subtraction problem.

The answer to the problem (25 in our case) is called the difference.

Round the Subtrahend to a Multiple of Ten and Adjust

Decompose the Subtrahend

Add Instead

 

Same Difference

Break Apart by Place

Did you use a different method to solve this problem? Share in the comments!