Let's solve each of the word problems step by step and explain the reasoning.
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1. Jane’s Money Problem
Problem:
Jane had $15. She wanted to earn more. She worked for two hours and earned $6. She went to the movies and spent $14. How much money did she have when she finished her day?
Step-by-step Solution:
- Start with initial amount:
$15
- Add earnings from work:
$15 + $6 = $21
- Subtract cost of movie:
$21 - $14 = $7
✔ Answer: Jane had
$7 left at the end of the day.
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2. Nora’s Chocolates Problem
Problem:
Nora loved chocolate. She was given 30 chocolate chips by her parents. She gave 12 to her sister, and 10 to her brother. How many were left?
Step-by-step Solution:
- Start with total chocolates:
30
- Give away to sister:
30 - 12 = 18
- Give away to brother:
18 - 10 = 8
✔ Answer: Nora has
8 chocolate chips left.
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3. John’s Stickers Problem
Problem:
John borrowed $5 from his parents. He borrowed another $10 from his friend. How much money did John now owe?
Step-by-step Solution:
- Borrowed from parents: $5
- Borrowed from friend: $10
Total owed:
$5 + $10 = $15
✔ Answer: John owes
$15 in total.
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4. Sally’s Eggs Problem
Problem:
Sally’s dog dug a hole in the beach that was two feet deep. Three children filled it up with sand. Each child used one bag of sand. How deep was the hole when they finished?
Step-by-step Solution:
- The hole was originally
2 feet deep.
- The children
filled it with sand, meaning the hole is no longer open — it’s been covered.
So, even though they added sand, the depth of the hole
no longer exists because it’s filled.
✔ Answer: The hole was
0 feet deep (it was filled in).
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5. Cynthia’s Water Problem
Problem:
Cynthia had 20 gallons of water. She used 6 gallons to water her garden. Then she used 4 gallons to wash her car. How much water does she have left?
Step-by-step Solution:
- Start with: 20 gallons
- Used for garden: 20 - 6 = 14 gallons
- Used for car: 14 - 4 = 10 gallons
✔ Answer: Cynthia has
10 gallons of water left.
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✔ Final Answers:
1.
$7
2.
8 chocolate chips
3.
$15
4.
0 feet deep
5.
10 gallons
These are all addition and subtraction word problems involving real-life situations. The key is reading carefully and performing operations in the correct order.
Parent Tip: Review the logic above to help your child master the concept of free integer word problems worksheet.
