There are a couple of reasons for focusing on mastering the ten times tables, all basic times tables facts for that matter. First of all, automaticity of facts remains important. Powers of 10 refer to being able to multiply numbers by ten. These worksheets focus on multiplying 1 to 12 by 10. The long term goals are to multiply one, two, three, four ....digit numbers along with decimal numbers by ten, one hundred, one thousand.....With practice, students will begin to see the pattern when multiplying with by ten.