Let’s solve each problem one by one, step by step.
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Problem 1:
Isha has 344 books. 130 are about school and the rest are about sports. How many books about sports does Isha have?
→ Total books = 344
→ School books = 130
→ Sports books = Total - School books
→ 344 - 130 = ?
Let’s subtract:
344
-130
____
214
✔ So, Isha has
214 books about sports.
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Problem 2:
James has 1222 balloons. Amy has 513 balloons. How many more balloons does James have than Amy?
→ We need to find the difference: James’s balloons - Amy’s balloons
→ 1222 - 513 = ?
Subtract:
1222
- 513
_____
Start from right:
2 - 3 → can’t do, borrow → 12 - 3 = 9
Then 1 (after borrowing) - 1 = 0
Then 2 - 5 → can’t do, borrow → 12 - 5 = 7
Then 0 (after borrowing) - 0 = 0? Wait — let’s write it properly:
Actually:
1222
- 513
= ?
Break it down:
1222 - 500 = 722
722 - 13 = 709
Or column subtraction:
1222
- 513
______
709
✔ James has
709 more balloons than Amy.
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Problem 3:
Sean has 223 whistles. He has 95 more whistles than Charles. How many whistles does Charles have?
→ Sean has 95 MORE than Charles → so Charles has FEWER.
→ Charles = Sean - 95
→ 223 - 95 = ?
223 - 95:
223 - 100 = 123, then add back 5 → 128
Or:
223
- 95
___
13 - 5 = 8 (borrowed)
1 (from 2 after borrow) - 9 → can’t, so borrow again → 11 - 9 = 2
Then 1 left → 1
Wait — better:
223
- 95
_____
Units: 3 - 5 → borrow → 13 - 5 = 8
Tens: 1 (since we borrowed) - 9 → can’t → borrow from hundreds → 11 - 9 = 2
Hundreds: 1 (after borrow) → 1
So: 128
✔ Charles has
128 whistles.
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Problem 4:
Connie has 282 marbles. Juan has 175 more marbles than Connie. How many marbles does Juan have?
→ Juan = Connie + 175
→ 282 + 175 = ?
Add:
282
+175
____
2 + 5 = 7
8 + 7 = 15 → write 5, carry 1
2 + 1 + 1 = 4
→ 457
✔ Juan has
457 marbles.
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Problem 5:
Robin has 27 packages of gum. There are 18 pieces in each package. How many pieces of gum does Robin have?
→ Multiply number of packages × pieces per package
→ 27 × 18 = ?
We can break it down:
27 × 10 = 270
27 × 8 = 216
Total = 270 + 216 = 486
Or use standard multiplication:
27
× 18
_____
216 ← 27 × 8
+270 ← 27 × 10 (shifted left)
_____
486
✔ Robin has
486 pieces of gum.
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Final Answer:
1. 214
2. 709
3. 128
4. 457
5. 486
Parent Tip: Review the logic above to help your child master the concept of 4th grade math word problems worksheet.