328 Math Riddles for Third Graders With Answers For 2025

By Sandria

Are you searching for fun and engaging math riddles to spark your third grader’s love for numbers? 

Look no further! This article is packed with exciting, brain-teasing riddles that are perfect for 8-year-olds. 

As soon as you dive in, you’ll find the best riddles to challenge young minds, keep them entertained, and help them learn math in a playful way. 

Let’s get started with riddles that make math a blast!

Addition Adventures 😊

Addition is like a treasure hunt with numbers! These riddles will help kids practice adding while having fun.

  • I have 3 apples, and my friend gives me 2 more. How many apples do I have now?
    Answer: 5 apples
  • A dog has 4 bones, and he finds 3 more. How many bones does he have?
    Answer: 7 bones
  • Sarah picks 6 flowers and then picks 4 more. How many flowers does she have?
    Answer: 10 flowers
  • A box has 5 cookies, and Mom adds 5 more. How many cookies are there?
    Answer: 10 cookies
  • Tim sees 7 birds, and 2 more fly in. How many birds are there now?
    Answer: 9 birds
  • I buy 4 pencils and get 3 free. How many pencils do I have?
    Answer: 7 pencils
  • A tree has 8 leaves, and 1 more grows. How many leaves are there?
    Answer: 9 leaves
  • Jake has 2 toys and gets 6 more. How many toys does he have?
    Answer: 8 toys
  • A bag has 9 marbles, and I add 2. How many marbles are there?
    Answer: 11 marbles
  • Mia has 5 stickers and finds 4 more. How many stickers does she have?
    Answer: 9 stickers

Subtraction Surprises 🎉

Subtraction is like taking away pieces of a puzzle. These riddles make it super fun!

  • I have 10 candies and eat 3. How many candies are left?
    Answer: 7 candies
  • A tree has 8 apples, and 2 fall off. How many apples are left?
    Answer: 6 apples
  • There are 9 balloons, and 4 fly away. How many balloons are left?
    Answer: 5 balloons
  • I have 12 cookies and give 5 to my friend. How many cookies do I have?
    Answer: 7 cookies
  • A pond has 11 fish, and 3 swim away. How many fish are left?
    Answer: 8 fish
  • I have 10 books and lend 2. How many books do I have now?
    Answer: 8 books
  • A box has 15 crayons, and I lose 6. How many crayons are left?
    Answer: 9 crayons
  • There are 7 ducks, and 1 waddles away. How many ducks are left?
    Answer: 6 ducks
  • I have 13 pennies and spend 4. How many pennies do I have?
    Answer: 9 pennies
  • A basket has 10 eggs, and 2 break. How many eggs are left?
    Answer: 8 eggs
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Multiplication Magic ✨

Multiplication is like adding the same number again and again. Try these magical riddles!

  • I have 2 boxes, and each has 3 toys. How many toys do I have?
    Answer: 6 toys
  • A spider has 4 legs, and there are 2 spiders. How many legs are there?
    Answer: 8 legs
  • Each cat has 3 kittens, and there are 2 cats. How many kittens are there?
    Answer: 6 kittens
  • I buy 3 packs of 4 cookies. How many cookies do I have?
    Answer: 12 cookies
  • A car has 4 wheels, and there are 3 cars. How many wheels are there?
    Answer: 12 wheels
  • Each tree has 5 apples, and there are 2 trees. How many apples are there?
    Answer: 10 apples
  • I have 4 bags, and each has 2 marbles. How many marbles do I have?
    Answer: 8 marbles
  • Each plate has 3 pancakes, and there are 3 plates. How many pancakes are there?
    Answer: 9 pancakes
  • A dog has 2 bones, and there are 4 dogs. How many bones are there?
    Answer: 8 bones
  • Each kid gets 5 stickers, and there are 2 kids. How many stickers are there?
    Answer: 10 stickers

Division Delights 🥳

Division is like sharing things equally. These riddles make sharing fun!

  • I have 12 candies to share with 3 friends. How many candies does each get?
    Answer: 4 candies
  • There are 10 cookies split between 2 kids. How many cookies does each get?
    Answer: 5 cookies
  • I have 15 apples to put in 3 baskets. How many apples go in each basket?
    Answer: 5 apples
  • There are 8 toys shared by 4 kids. How many toys does each kid get?
    Answer: 2 toys
  • I have 18 marbles to split into 3 bags. How many marbles go in each bag?
    Answer: 6 marbles
  • There are 12 books for 4 shelves. How many books go on each shelf?
    Answer: 3 books
  • I have 20 stickers to share with 5 friends. How many stickers does each get?
    Answer: 4 stickers
  • There are 9 cupcakes for 3 kids. How many cupcakes does each kid get?
    Answer: 3 cupcakes
  • I have 16 pennies to split into 4 piles. How many pennies go in each pile?
    Answer: 4 pennies
  • There are 10 balloons for 2 parties. How many balloons does each party get?
    Answer: 5 balloons
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Number Pattern Puzzles 🧩

Patterns are like secret codes in numbers! These riddles help kids spot them.

  • What comes next: 2, 4, 6, 8, __?
    Answer: 10
  • What’s next: 5, 10, 15, 20, __?
    Answer: 25
  • Find the next number: 3, 6, 9, 12, __?
    Answer: 15
  • What comes next: 10, 9, 8, 7, __?
    Answer: 6
  • What’s next: 1, 3, 5, 7, __?
    Answer: 9
  • Find the next number: 4, 8, 12, 16, __?
    Answer: 20
  • What comes next: 20, 18, 16, 14, __?
    Answer: 12
  • What’s next: 2, 5, 8, 11, __?
    Answer: 14
  • Find the next number: 7, 14, 21, 28, __?
    Answer: 35
  • What comes next: 12, 11, 10, 9, __?
    Answer: 8

Shape and Geometry Fun 🔺

Shapes are everywhere! These riddles make learning about them exciting.

  • I have 3 sides and 3 corners. What shape am I?
    Answer: Triangle
  • I have 4 equal sides and 4 corners. What shape am I?
    Answer: Square
  • I have no sides and no corners. What shape am I?
    Answer: Circle
  • I have 4 sides, but only 2 are equal. What shape am I?
    Answer: Rectangle
  • I have 5 sides and 5 corners. What shape am I?
    Answer: Pentagon
  • I have 6 equal sides and 6 corners. What shape am I?
    Answer: Hexagon
  • I have 8 sides and 8 corners. What shape am I?
    Answer: Octagon
  • I have 4 sides and look like a stretched square. What shape am I?
    Answer: Rectangle
  • I have 3 sides, and one is longer than the others. What shape am I?
    Answer: Triangle
  • I have no corners and roll like a ball. What shape am I?
    Answer: Circle

Time and Measurement Mysteries ⏰

Time and measurement are like solving a mystery! These riddles are super cool.

  • I eat breakfast at 7 o’clock and lunch 5 hours later. When is lunch?
    Answer: 12 o’clock
  • A pencil is 6 inches long, and I add 2 inches. How long is it now?
    Answer: 8 inches
  • School starts at 8 o’clock and ends 6 hours later. When does it end?
    Answer: 2 o’clock
  • A rope is 10 feet long, and I cut 3 feet. How long is it now?
    Answer: 7 feet
  • I play for 30 minutes and rest for 15 minutes. How long did I spend?
    Answer: 45 minutes
  • A book is 12 inches tall, and I stack 2 books. How tall is the stack?
    Answer: 24 inches
  • I wake up at 6 o’clock and sleep 3 hours later. When do I sleep?
    Answer: 9 o’clock
  • A ribbon is 9 feet long, and I use 4 feet. How much is left?
    Answer: 5 feet
  • I run for 20 minutes and walk for 10 minutes. How long did I exercise?
    Answer: 30 minutes
  • A box is 5 inches wide, and I add 5 inches. How wide is it now?
    Answer: 10 inches
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Money Math Challenges 💰

Counting money is like being a shopkeeper! These riddles make it fun.

  • I have 2 nickels. How much money do I have?
    Answer: 10 cents
  • I buy a toy for 15 cents and pay with 2 dimes. How much change do I get?
    Answer: 5 cents
  • I have 3 quarters. How much money do I have?
    Answer: 75 cents
  • A candy costs 10 cents, and I have 1 dime and 1 nickel. Can I buy it?
    Answer: Yes, you have 15 cents
  • I have 4 pennies and 1 nickel. How much money do I have?
    Answer: 9 cents
  • I buy a book for 20 cents and pay with 3 dimes. How much change do I get?
    Answer: 10 cents
  • I have 2 dimes and 1 nickel. How much money do I have?
    Answer: 25 cents
  • A pencil costs 12 cents, and I pay with 2 dimes. How much change do I get?
    Answer: 8 cents
  • I have 1 quarter and 2 pennies. How much money do I have?
    Answer: 27 cents
  • I buy a snack for 30 cents and pay with 4 dimes. How much change do I get?
    Answer: 10 cents

Conclusion

This article is your one-stop solution for math riddles that third graders will love! With riddles spread across addition, subtraction, multiplication, division, patterns, shapes, time, and money, kids can have fun while learning.

Each riddle is simple, engaging, and perfect for an 8-year-old to enjoy and share with family. Keep these riddles handy to make math a joyful adventure!

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