This pack of worksheets includes word problems that align with the fourth grade common core standard:
4.NBT.B.5 - 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.
The pages are scaffolded to build up the skill, starting with one-digit by two-digit problems, and increasing up to four digits. There is a final page of mixed problems that could possibly be used for assessment.
Skills addressed are:
One-digit by two-digit multiplication
One-digit by three-digit multiplication
One-digit by four-digit multiplication