These are basically digital versions (like ebooks) of worksheets that can be bought and downloaded to your computer from the internet or from CDs and then printed out. The advantage is that you can print out whichever sheet you wish. If you need to re-inforce a certain concept more you can usually print out that sheet again. Of course you will therefore need to have a computer and a printer.
Keep preschool writing activities relaxed and fun. Don't expect or require perfection. Learning to write is a fun process that will give your preschooler a boost in confidence and solid foundation for future studies.
Additional text can be printed as needed or simply read from the computer itself this provides a savings on textbooks and materials for the educator and the student. There will be a substantial savings provided along with the best materials needed.
For 3rd grade math, you can expect a balance of fractions, graphs, money and multiplication that challenge the mind with each lesson. If you're unsure about investing in a particular program, try a program with a free trial. By implementing these valuable learning aids, you can help your child make the most of third grade.