Subtract Money Up to $1.00
✂️ Coupons and Discounts! The item is too expensive, but the boss just marked the price down. Subtract carefully to find the new shiny price.
Do this: Read the concept below, then try the quiz or activity.
Concept
Subtracting money works exactly like the Addition rules. Stack the dots! Drop the dot! Don't forget the Dollar Sign!
🎯 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: $_.___