Multiply by a decimal: Students will understand in the lesson how to get the fractional part of a number and then its meaning as decimal part of that same number. They will extend this knowledge to multiplication of any number by a decimal. Students will work several word problems. From the same introductions given for each one of the concepts to the problems presented as examples. You may challenge yourself by working the problem in the same screen area. Use the MARKER TOOLS menu by pulling down the options clicking on it at the right part of the top of the screen.