Subtract Money Up to $1.00
āļø Coupons and Discounts! The item is too expensive, but the boss just marked the price down. Subtract carefully to find the new shiny price.
Concept
Subtracting money works exactly like the Addition rules. Stack the dots! Drop the dot! Don't forget the Dollar Sign! šÆ **The "Borrowing" Warning:** **Problem: $0.82 - $0.35 = ?** $0.82 - $0.35 ------- 1. Look at the right side first! The Ones column! 2. 2 is smaller than 5. It's physically impossible! 3. Go next door to the 8. Cross it out. Make it a 7. 4. Give a Ten to the 2. Make it a 12. 5. 12 - 5 = 7. 6. 7 - 3 = 4. 7. Drop the dot! **$0.47!**
Try it
Calculate the discount! **Instructions:** Stack the numbers. Borrow if the floor is bigger than the top. Drop the dot! **Problem 1:** $0.58 - $0.24 ------- * (Floor check: 8 is greater than 4. No borrowing needed!). * Answer: $_.___ **Problem 2:** $0.91 - $0.45 ------- * Floor Check: 5 is greater than 1! Go next door! * Cross out 9. Make it 8. * Make 1 an 11. (11 - 5 = ___). (8 - 4 = ___). * Answer: $_.___ **Problem 3:** $0.70 - $0.15 ------- * (Hint: Zero is ALWAYS smaller than a 5! Go next door immediately!). * Answer: $_.___