The standard of 4.NBT.5 states: Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.This worksheet is to be an aide in the first lesson of a series of lessons to accomplish this standard. This worksheet focuses on multiplying multiples of 10, 100, and 1,000. Problems like