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Reference: Number and Language in Math
Numbers I: Counting, Integers, and Rationals
Natural Numbers and Arithmetic
Basic Arithmetic on Nonnegative Integers
Multiplication (⋅ or ×) Operation on Nonnegative Integers
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Subtopics
What Is Multiplication?
Equality and Inequality Properties of Multiplication
Multiplication Is Commutative
Multiplication Is Associative
How Multiplication Interacts with Addition
1 (One), the Multiplicative Identity
Multiplication by 0 (Zero)
Basic Division: Solving ax=b or ax≥b with b Divisible by a
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