Arithmetic in Everyday Life
You use arithmetic every single day, often without noticing. Here is how each of the four operations appears in the real world.
Addition in Everyday Life
- Adding up your shopping items to check the total.
- Calculating the total distance on a journey with multiple legs.
- Tallying scores in a game.
Subtraction in Everyday Life
- Calculating change when you pay with cash.
- Tracking how much is left in your bank account.
- Finding how much time is left before an event.
Multiplication in Everyday Life
- Total cost = price × quantity.
- Area = length × width (for carpets, flooring, paint).
- Speed calculations: distance = speed × time.
Division in Everyday Life
- Splitting a bill between friends.
- Finding the unit price to compare value.
- Calculating average speed or fuel efficiency.
Surprising Places You Use Arithmetic
- Sport: batting averages, goal ratios, pace per kilometre when running.
- Cooking: scaling recipes up or down.
- Travel: converting currencies.
- Health: calculating BMI, calorie counts, medication doses.
Key Takeaways
- Arithmetic is not just school maths — it is life maths.
- Every financial decision involves at least one arithmetic operation.
- Strong mental arithmetic saves time and prevents being overcharged or shortchanged.
Practice Questions
- You buy 3 items at £4.75, £12.50, and £7.25. What is the total and how much change from £30?
- A car uses 6 litres per 100 km. How much fuel for a 350 km trip?
- Four people share a taxi costing £18.40. How much each?
- A recipe serves 6. Scale it to serve 10.
- You run 5 km in 28 minutes 30 seconds. What is your pace per kilometre?