Subtraction and Inverse Operations
Practice subtraction and understand its inverse relationship with addition through various exercises.
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Subtraction and Inverse Operations
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Read each question carefully and answer to the best of your ability. Show your work for all calculations.
1. Subtraction is the inverse operation of .
2. If 15 - 7 = 8, then 8 + 7 = .
3. To check a subtraction problem, you can use .
1. Subtract: 8,765 - 3,421
2. Subtract: 5,000 - 1,234
1. Solve the subtraction problem and then use the inverse operation to check your answer: 945 - 328 = ?
2. Solve the subtraction problem and then use the inverse operation to check your answer: 7,123 - 4,567 = ?
1. Which addition problem can be used to check 45 - 20 = 25?
45 + 20 = 65
20 + 25 = 45
45 - 25 = 20
25 - 20 = 5
1. If you subtract 10 from a number, adding 10 to the result will give you the original number.
True
False
1. A baker made 1,500 cookies. He sold 875 cookies. How many cookies are left? Use the inverse operation to check your answer.
Use the number line to show the subtraction problem 10 - 4 = 6. Start at 10 and move 4 units to the left.