35 Funny Jokes for 3rd Graders That Actually Work

TLDR: These jokes for 3rd graders are clean, quick and built around subjects many third graders already know: school, animals, food, math, science and sports. There are exactly 35 jokes below, including five complete knock-knock jokes.

Third graders can handle real wordplay, but a joke still needs to get to the punchline before it starts feeling like homework. These picks are short enough to memorize for recess, lunch, classroom joke time or family dinner—and corny enough to make at least one grown-up groan.

School jokes for 3rd graders

1. What’s a snake’s favorite subject? Hiss-story.
2. How did the hammerhead shark do on the test? He nailed it.
3. Why do students enjoy learning about geology? Because it rocks.
4. What’s an owl’s favorite subject? Owlgebra.
5. What is a cow’s favorite class? Moosic class.

The animal sounds do most of the work in this group. Say “hiss-story,” “owlgebra” and “moosic” clearly so listeners can hear the word hiding inside the pun.

Teacher and homework jokes

6. Why did the student eat his homework? The teacher said it was a piece of cake.
7. Student: “Would you lecture me for something I didn’t do?” Teacher: “Of course not.” Student: “Good, because I didn’t do my homework.”
8. Why did the teacher wear sunglasses? Because her students were so bright.
9. Why couldn’t the student finish the geometry problem? She needed to look at it from a different angle.
10. Why didn’t the cheese want to go to school? Its teacher was a tough grater.

Number 7 works best with a tiny pause after the teacher answers. Give everyone a moment to expect a responsible explanation—then spring the missing homework on them.

Animal jokes

11. What do you call a bear with no teeth? A gummy bear.
12. What do you call a fish without an eye? Fsh.
13. Why does a seagull fly over the sea? Because if it flew over the bay, it would be a bagel.
14. What do you call a pig who knows karate? A pork chop.
15. Why can’t leopards escape from the zoo? Because they are always spotted.

The fish joke is easier to see in writing: take the letter “i” out of “fish” and you get “fsh.” For more furry, feathery and fishy punchlines, try these animal jokes for kids.

Food jokes

16. Why did the teddy bear say no to dessert? Because it was stuffed.
17. What did the baby corn ask the mother corn? “Where is popcorn?”
18. What do cupcakes like about spring weather? The sprinkles.
19. What do computers like to eat? Chips.
20. What does a skeleton say before dinner? Bone appétit!

“Bone appétit” sounds like the phrase “bon appétit,” which people say before a meal. A pretend fancy voice is optional, but highly encouraged.

Science and math jokes

21. What is math’s favorite food? Pi.
22. What did the zero say to the eight? “Nice belt!”
23. How do trees get on the internet? They log in.
24. How do scientists freshen their breath? With experi-mints.
25. Why did Saturn get married more than once? Because it has a lot of rings.

The zero-and-eight joke is another visual one: an 8 looks a little like a 0 with a belt pulled tightly around its middle. The Saturn punchline uses the planet’s real ring system; curious space fans can explore NASA’s Saturn facts.

Sports and playground jokes

26. Why did the hockey player bring rope to the game? To tie the score.
27. What is the loudest sport? Tennis—everyone raises a racket.
28. Why is a bowling alley the best place to buy bowling pins? Because it always has spares.
29. What did the quarterback say to the sheep? “Herdle up!”
30. Why did the bicycle fall over? Because it was two-tired.

These land faster if the listener knows the sports words. A tied score is even, a bowling spare is a particular result, and a racket is both tennis equipment and a lot of noise.

Knock-knock jokes

31. Knock, knock. Who’s there? Vera. Vera who? Vera few people like stinky cheese.
32. Knock, knock. Who’s there? Mustache. Mustache who? Mustache ask you a question, but I’ll shave it for later.
33. Knock, knock. Who’s there? Falafel. Falafel who? Falafel my skateboard and landed on my knee.
34. Knock, knock. Who’s there? Howl. Howl who? Howl you know if you don’t open the door?
35. Knock, knock. Who’s there? Luke. Luke who? Luke through the peephole to find out!

Knock-knock jokes need a partner who answers each line. Don’t rush ahead and say both parts at once—the back-and-forth is what lets the final sound-alike work.

Five easy jokes to tell friends first

Not sure which one to memorize? Start with these five quick picks from the collection:

What do you call a bear with no teeth? A gummy bear.
Why did the teacher wear sunglasses? Her students were so bright.
What do computers like to eat? Chips.
Why did the bicycle fall over? It was two-tired.
What do you call a pig who knows karate? A pork chop.

Choose one joke, remember the important pun and pause briefly before the punchline. Say the wordplay clearly, enjoy the laugh—or the dramatic eye roll—and move on without explaining it. A quick joke should land quickly, especially when recess is waiting.