Let’s go through each sentence one by one. We need to find the
cause (why something happened) and the
effect (what happened because of it).
---
1. Tim forgot his math book, so he was unable to complete his homework.
- What caused him not to do his homework? → He forgot his math book.
- What was the result? → He couldn’t finish his homework.
✔ Cause: Tim forgot his math book.
✔ Effect: He was unable to complete his homework.
---
2. Keegan was hungry because he skipped lunch.
- Why was he hungry? → Because he didn’t eat lunch.
- What happened as a result? → He felt hungry.
✔ Cause: He skipped lunch.
✔ Effect: Keegan was hungry.
*(Note: Sometimes the word “because” tells you the cause comes after it — but here, “he skipped lunch” is the reason, so that’s the cause.)*
---
3. Erin’s car had a flat tire, so she called a tow truck.
- Why did she call a tow truck? → Her car had a flat tire.
- What did she do because of that? → Called a tow truck.
✔ Cause: Erin’s car had a flat tire.
✔ Effect: She called a tow truck.
---
4. Gina couldn’t find the cookies because Papa hid them in the cupboard.
- Why couldn’t Gina find the cookies? → Papa hid them.
- What happened? → She couldn’t find them.
✔ Cause: Papa hid the cookies in the cupboard.
✔ Effect: Gina couldn’t find the cookies.
---
5. Kelly studied her spelling words and she got an A on the test.
- Why did she get an A? → She studied hard.
- What was the result? → She got an A.
✔ Cause: Kelly studied her spelling words.
✔ Effect: She got an A on the test.
---
Final Answer:
1.
Cause: Tim forgot his math book.
Effect: He was unable to complete his homework.
2.
Cause: He skipped lunch.
Effect: Keegan was hungry.
3.
Cause: Erin’s car had a flat tire.
Effect: She called a tow truck.
4.
Cause: Papa hid the cookies in the cupboard.
Effect: Gina couldn’t find the cookies.
5.
Cause: Kelly studied her spelling words.
Effect: She got an A on the test.
Parent Tip: Review the logic above to help your child master the concept of 4th grade cause and effect worksheet.