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