Let's solve each question in
Lesson 3 - Addition and Subtraction step by step:
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1. The answer of addition is called ______.
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Answer: *Sum*
✔ Explanation: When you add two or more numbers, the result is called the
sum.
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2. The numbers which are added are called ______.
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Answer: *Addends*
✔ Explanation: The numbers that are being added together are known as
addends.
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3. The answer of subtraction is called ______.
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Answer: *Difference*
✔ Explanation: The result of a subtraction operation is called the
difference.
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4. Zero added to any number is equal to the ______.
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Answer: *Same number*
✔ Explanation: Adding zero to any number does not change its value. This is the
identity property of addition.
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5. Any number – The same number = ______.
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Answer: *Zero*
✔ Explanation: Subtracting a number from itself always gives
zero (e.g., 7 – 7 = 0).
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6. 3160 + 0 = ______.
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Answer: *3160*
✔ Explanation: Adding zero to any number leaves it unchanged.
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7. Any number – zero = ______.
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Answer: *The same number*
✔ Explanation: Subtracting zero from any number gives the number itself (e.g., 50 – 0 = 50).
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8. 565 – 0 = ______.
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Answer: *565*
✔ Explanation: Subtracting zero doesn't change the number.
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9. 6025 – 6025 = ______.
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Answer: *0*
✔ Explanation: Subtracting a number from itself results in zero.
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✔ Final Answers:
1. Sum
2. Addends
3. Difference
4. Same number
5. Zero
6. 3160
7. The same number
8. 565
9. 0
These answers reinforce basic concepts of addition and subtraction, including properties involving zero.
Parent Tip: Review the logic above to help your child master the concept of addition worksheet class 3.
