AlgèbreFacile
Math Learning PlatformArithmetic - Numbers
Beginner
📚 arithmetique
📖 About this lesson
Explore different types of numbers and their properties
Lesson Content
Arithmetic - Numbers
Types of numbers
Natural numbers
0, 1, 2, 3, 4, 5...
Integers
...-3, -2, -1, 0, 1, 2, 3...
Even numbers
Divisible by 2: 2, 4, 6, 8...
Odd numbers
Not divisible by 2: 1, 3, 5, 7...
Prime numbers
A prime number is only divisible by 1 and itself.
[object Object], 2, 3, 5, 7, 11, 13...
Basic operations
- •[object Object],: combine numbers
- •[object Object],: find difference
- •[object Object],: repeated addition
- •[object Object],: share in equal parts
Practical Examples
1
Example 1
📋 Problem
Trouver les nombres premiers entre 1 et 20
✅ Solution
2, 3, 5, 7, 11, 13, 17, 19
💡 Explanation
Ce sont les seuls nombres entre 1 et 20 qui ne sont divisibles que par 1 et eux-mêmes