Learn the associative and commutative properties of multiplication. Examine sets of factors to determine whether their arrangement changes the answer. This skill can help you simplify multiplication problems to be able to find the product quickly using me
A. Factor out 10, 100, or 1,000 from a given number
C. Solve a multi-digit multiplication problem using factoring out and properties of multiplication (Level 1)
D. Solve a multi-digit multiplication problem mentally
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