Subtraction is a mathematical operation used to find the difference between two numbers It is considered to be the opposite of addition. To subtract two or more numbers, all one needs to do is take away the value of the first number from the value of the second number. Subtraction can also be used to find the difference between two dates.
Subtraction is an essential skill for many everyday tasks. For example, when you go grocery shopping, you subtract the cost of the food from your total budget. When balancing a checkbook, you subtract the amount of each purchase from your starting account balance.
Below are five interesting examples of subtraction:
1. The temperature in a room: You can often subtract the temperature of the room on a hot day from the temperature outside to determine how effective the air conditioning is.
2. Cost of gasoline: When you fill up your car, you subtract the cost of the gasoline from the total amount of money you have in your wallet.
3. Time difference: When you travel, you can subtract the time difference between your destination and your point of origin.
4. Change in weight: When you go to the gym, you can subtract your current weight from your desired goal weight to track your progress.
5. Unhealthy ingredients: You can subtract unhealthy ingredients from a recipe to make it healthier. For example, if a recipe calls for sugar, you can subtract it and replace it with a natural sweetener.