掛け算

1. Origins, structure, and basic meaning

• Structure: 掛け算(かけざん) means multiplication, the operation of multiplying numbers.
• Basic usage: It is used for learning multiplication tables or calculating the area of a rectangle.

2. Common pitfalls and similar expressions

• Multiplication and addition
  • 足し算(たしざん) is addition, adding numbers together, in contrast to 掛け算, multiplication.
• Reading 九九
  • 九九(くく) means the multiplication tables.