Curriculum>Grade 5> Module 2>Topic A: Mental Strategies for Multi-Digit Whole Number Multiplication

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Practice using mental math to multiply large numbers together. This skill will allow you to solve problems faster

A. Factor out 10, 100, or 1,000 from a given number

B. Solve multiplication problems using the associative and commutative properties

C. Solve a multi-digit multiplication problem using factoring out and properties of multiplication (Level 1)

E. Solve a multi-digit multiplication problem using factoring out and properties of multiplication (Level 2)

F. Round multi-digit numbers to estimate the area of a rectangle

G. Round multi-digit numbers to estimate the product

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