Associative property of multiplication

Definition

The associative property of multiplication states that the way in which numbers are grouped in a multiplication problem does not change the product. Mathematically, for any real numbers $a$, $b$, and $c$, $(a \cdot b) \cdot c = a \cdot (b \cdot c)$.

5 Must Know Facts For Your Next Test

1. The associative property allows for the regrouping of factors without affecting the product.
2. It is valid for all real numbers.
3. This property simplifies complex calculations by allowing flexibility in grouping.
4. It is different from the commutative property, which involves changing the order of factors.
5. Understanding this property helps in factoring and simplifying algebraic expressions.

Review Questions

• What is the associative property of multiplication?
• Does $(2 \cdot 3) \cdot 4$ equal $2 \cdot (3 \cdot 4)$? Explain why or why not.
• How can the associative property be used to simplify $(5 \cdot x) \cdot y$?

Related terms

Commutative Property of Multiplication: The commutative property states that changing the order of factors does not change their product: $a \cdot b = b \cdot a$.

Distributive Property: $a(b + c) = ab + ac$. It combines addition and multiplication.

Identity Property of Multiplication: $a \cdot 1 = a$. Any number multiplied by one remains unchanged.