Mental math worksheets: Multiplying by 10, 100 or 1,000 (missing factors)
Below are six versions of our grade 5 math worksheet on multiplying by 10, 100 or 1,000 with missing factor; each multiplication sentence consists of an integer between 1 and 1,000 multiplied by either 10, 100 or 1,000. Students must calculate the missing factor. Students should attempt to answer these questions 'in their heads' without writing down intermediary steps. These worksheets are pdf files.