The topic “Multiply within 100” deepens children’s understanding of multiplication through key mathematical properties and mental calculation techniques. Children will explore the commutative, associative, and distributive properties of multiplication, learning how these properties can simplify calculations and enhance their problem-solving abilities. By applying and identifying these properties in various multiplication equations, they will develop a flexible approach to working with numbers, which is essential for more complex mathematical concepts. In addition to understanding properties, children will focus on mental calculation, enabling them to quickly multiply any two one-digit numbers up to 10. This skill not only builds confidence in their multiplication abilities but also reinforces their understanding of number relationships and patterns. Overall, this topic equips children with essential skills and strategies that lay a strong foundation for their continued study of multiplication and mathematics as a whole.