Let's solve each problem one by one and explain the solution step by step.
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Problem 1:
There were 46 balls on the playground. 20 were soccer balls and 15 were basketballs. The rest were tennis balls. How many were tennis balls?
Step-by-step solution:
- Total balls = 46
- Soccer balls = 20
- Basketball = 15
- Tennis balls = ?
We subtract the number of soccer and basketballs from the total:
$$
\text{Tennis balls} = 46 - 20 - 15 = 11
$$
✔ Answer: 11 tennis balls
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Problem 2:
30 children lined up to jump rope. 9 children joined them. 4 children left to get a drink of water. How many children were left in the line?
Step-by-step solution:
- Start with 30 children
- 9 joined → $30 + 9 = 39$
- 4 left → $39 - 4 = 35$
✔ Answer: 35 children were left in the line
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Problem 3:
Dad caught 22 fish in the morning. He threw 5 back because they were too small. He caught 12 more in the afternoon. How many fish did dad have then?
Step-by-step solution:
- Morning catch = 22
- Threw back 5 → $22 - 5 = 17$ (kept)
- Afternoon catch = 12
- Total fish = $17 + 12 = 29$
✔ Answer: Dad had 29 fish
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Problem 4:
At the park I saw 32 animals. I saw 12 dogs, 15 squirrels, and some frogs. How many frogs did I see?
Step-by-step solution:
- Total animals = 32
- Dogs = 12
- Squirrels = 15
- Frogs = ?
Add dogs and squirrels:
$$
12 + 15 = 27
$$
Subtract from total:
$$
32 - 27 = 5
$$
✔ Answer: 5 frogs
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✔ Final Answers:
1.
11 tennis balls
2.
35 children
3.
29 fish
4.
5 frogs
Let me know if you'd like these explained visually or with diagrams!
Parent Tip: Review the logic above to help your child master the concept of two step math word problems worksheet.
