This medium worksheet keeps the same structure as medium-1 but uses brand-new examples to deepen practice. Third graders fill in nine blanks with signal words in sentences about late buses, open gates, and power outages, then complete a matching activity that pairs four causes, like strong winds or a muddy dog, with their effects.

Students must think carefully about which event truly leads to which outcome.

Style:
Busy Bee
Cause and Effect
Grade 3
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) The school bus was late because there was heavy traffic on the road.
2) Jake left the gate open, so the dog ran out of the yard.
3) Since the power went out, we used flashlights to see in the dark.
4) She watered the garden every day. Therefore, the tomatoes grew big and red.
5) The glass broke because it fell off the kitchen counter.
6) He did not wear sunscreen, so his skin got sunburned at the beach.
7) Since the store was having a sale, many people came to shop.
8) The team practiced all season. As a result, they won the championship.
9) She stayed up too late, so she was tired at school the next day.
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
The alarm did not go off.
She woke up late for school.
The floor got dirty.
Strong winds blew all night.
A tree branch fell down.
A tree branch fell down.
The dog tracked mud inside.
The floor got dirty.
His friend was grateful.
He shared his lunch with a friend.
His friend was grateful.
She woke up late for school.
🎯

Ready to Practice?

Complete each section carefully.

10 Questions
10-15 minutes
Auto-graded
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