🔢 Odd and Even Numbers
A Complete Interactive Lesson
📚 Understanding Odd and Even Numbers
What are Even Numbers? 🟦
Even numbers can be divided into pairs with no leftovers.
They end in 0, 2, 4, 6, or 8. When you divide an even number by 2, you get a whole number!
What are Odd Numbers? 🟥
Odd numbers cannot be divided into equal pairs - there's always one left over!
They end in 1, 3, 5, 7, or 9. When you divide an odd number by 2, you get a remainder of 1.
Even Number Example
8
8 dots make 4 perfect pairs!
Odd Number Example
7
7 dots make 3 pairs with 1 left over!
Quick Tips to Remember! 💡
• Look at the last digit: 0,2,4,6,8 = Even | 1,3,5,7,9 = Odd
• Even + Even = Even | Odd + Odd = Even | Even + Odd = Odd
• Think of pairs: Can you make equal groups of 2?
• Even + Even = Even | Odd + Odd = Even | Even + Odd = Odd
• Think of pairs: Can you make equal groups of 2?
🎯 Practice Time
Click on numbers to identify them as Odd or Even:
New Numbers
Check Answers
Clear All
Click on numbers to mark them as odd (red) or even (blue)!
Drag and Drop Sorting:
Drag the numbers below into the correct boxes!
🟥 Odd Numbers
Numbers that can't be divided into equal pairs
🟦 Even Numbers
Numbers that can be divided into equal pairs
New Numbers
Check Sorting
Drag numbers to sort them into odd and even groups!
🎮 Fun Games
🕵️ Number Detective Game
Look at the clues and guess if the mystery number is odd or even!
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Click "New Mystery" to start!
New Mystery
Score: 0 | Streak: 0
📝 Knowledge Quiz
Click "Start Quiz" to begin!
Start Quiz
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