Question

Two different ways to find the difference for 12-3

Answer 1

To find the difference for 12-3, one method is direct subtraction, resulting in 9. Alternatively, using a number line, you start at 12 and move 3 units left to also arrive at 9.

Step-by-step explanation:

The question asks for two different ways to find the difference for the equation 12-3. One method is straightforward subtraction, whereas the other involves mathematical properties such as the identity property or using a number line.

Method 1

Simply subtract 3 from 12, which gives you 9. This is the most direct way to find the difference.

Method 2

Place a point on the number 12 and then move 3 units to the left, which lands you on the number 9 again. This method visually demonstrates the process of subtraction.

Answer 2

12-3=9
9+3=12
12-9=3

I hope this helped!