Subtracting money helps you:
- Keep track of how much you spend.
- Know how much you have left after a purchase.
- Budget your money wisely.
Let’s look at some examples to understand how subtraction works with money.
Example 1: Small Purchase
Problem: You have 25∗∗.Youspend∗∗25∗∗.Youspend∗∗7 on snacks. How much money do you have left?
Calculation:
25(startingamount)–25(startingamount)–7 (spent) = $18
Answer: You have $18.00 left.
Example 2: Buying a Toy
Problem: You have 50∗∗.Youbuyatoyfor∗∗50∗∗.Youbuyatoyfor∗∗23. How much is left?
Calculation:
50–50–23 = $27
Answer: You have $27.00 left.
Example 3: Larger Purchase
Problem: You have 100∗∗.Youspend∗∗100∗∗.Youspend∗∗47 on clothes. How much do you have left?
Calculation:
100–100–47 = $53
Answer: You have $53.00 left.
Mixed Addition and Subtraction with Money
Learning to combine addition and subtraction helps you:
- Track your money when you earn and spend.
- Budget effectively by knowing how much you have at any time.
- Make smart spending decisions.
Let’s break down an example step by step.
Example Problem
Scenario:
- You start with $10.
- You find $5 on the ground.
- You buy a book for $8.
Question: How much money do you have now?
Step-by-Step Calculation
- Add the money you found to your original amount.
- You had: $10
- You found: +$5
- Calculation: 10+10+5 = $15
- Subtract the cost of the book.
- Now you have: $15
- You spend: –$8
- Calculation: 15–15–8 = $7
Final Answer: You now have $7.00 left.

