Let’s solve each problem one by one. These are all subtraction problems where we don’t need to regroup (borrow), so we can subtract digit by digit from right to left.
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Problem 1:
There are 675 ants. 241 leave.
We do: 675 – 241
- Ones: 5 – 1 = 4
- Tens: 7 – 4 = 3
- Hundreds: 6 – 2 = 4
→ Answer:
434
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Problem 2:
Farmer plants 429 trees, cuts down 315.
We do: 429 – 315
- Ones: 9 – 5 = 4
- Tens: 2 – 1 = 1
- Hundreds: 4 – 3 = 1
→ Answer:
114
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Problem 3:
Frazer has 486 marbles, Sally has 273. How many more does Frazer have?
We do: 486 – 273
- Ones: 6 – 3 = 3
- Tens: 8 – 7 = 1
- Hundreds: 4 – 2 = 2
→ Answer:
213
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Problem 4:
597 cars in parking lot, 153 drive away.
We do: 597 – 153
- Ones: 7 – 3 = 4
- Tens: 9 – 5 = 4
- Hundreds: 5 – 1 = 4
→ Answer:
444
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Problem 5:
Captain’s car travels 414 miles, Tyger’s travels 312 miles. What’s the difference?
We do: 414 – 312
- Ones: 4 – 2 = 2
- Tens: 1 – 1 = 0
- Hundreds: 4 – 3 = 1
→ Answer:
102
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Final Answer:
1) 434
2) 114
3) 213
4) 444
5) 102
Parent Tip: Review the logic above to help your child master the concept of subtraction with regrouping problem solving worksheet.
