The worksheet provided involves solving addition and subtraction problems up to 20. Below is a detailed explanation of each problem and its solution:
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Problem 1:
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Question: There are 5 frogs in a pond. 13 more frogs jump in. How many are there now?
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Solution:
- Initial number of frogs: 5
- Additional frogs that jump in: 13
- Total number of frogs = 5 + 13 = 18
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Answer: 18
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Problem 2:
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Question: I have $18. I spend $10. How much money is left?
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Solution:
- Initial amount of money: $18
- Amount spent: $10
- Remaining money = 18 - 10 = 8
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Answer: $8
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Problem 3:
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Question: I buy 4 oranges on Monday, 7 oranges on Tuesday, and 5 oranges on Wednesday. How many do I have now?
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Solution:
- Oranges bought on Monday: 4
- Oranges bought on Tuesday: 7
- Oranges bought on Wednesday: 5
- Total oranges = 4 + 7 + 5 = 16
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Answer: 16
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Problem 4:
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Question: A shop has 20 soccer balls. 15 are sold. What is 20 minus 15?
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Solution:
- Initial number of soccer balls: 20
- Number of soccer balls sold: 15
- Remaining soccer balls = 20 - 15 = 5
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Answer: 5
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Problem 5:
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Question: There are 12 snails. 7 more snails come along. How many snails altogether?
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Solution:
- Initial number of snails: 12
- Additional snails that come along: 7
- Total number of snails = 12 + 7 = 19
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Answer: 19
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Summary of Answers:
1. 18
2. $8
3. 16
4. 5
5. 19
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Final Answer:
\[
\boxed{18, 8, 16, 5, 19}
\]
Parent Tip: Review the logic above to help your child master the concept of addition subtraction word problems worksheet 1st grade.
