Welcome!
This interactive textbook helps you master basic arithmetic through friendly examples and exercises.
Select a chapter:
Chapter 1: Addition
Addition means joining two or more numbers to find the total. Example:
3 apples + 2 apples = 5 apples
🧩 Quick Practice
⚡ 30-Second Challenge!
Answer as many as you can before time runs out.
Press Start to begin.
Time: 30s
Chapter 2: Subtraction
Subtraction finds the difference between numbers. Example:
5 oranges − 2 oranges = 3 oranges
🧩 Quick Practice
⚡ 30-Second Challenge!
Answer as many as you can before time runs out.
Press Start to begin.
Time: 30s
Chapter 3: Multiplication
Multiplication is repeated addition. Example:
2 groups of 3 = 6
🧩 Quick Practice
⚡ 30-Second Challenge!
Answer as many as you can before time runs out.
Press Start to begin.
Time: 30s
Chapter 4: Division
Division shares or groups equally. Example:
6 cookies ÷ 2 per group = 3 groups
🧩 Quick Practice
⚡ 30-Second Challenge!
Answer as many as you can before time runs out.
Press Start to begin.
Time: 30s