GrandpaSheets

This Excel spreadsheet generates separate arithmetic worksheets for addition, subtraction, multiplication, division, parenthesized work using two operations, and converting word statements to equations. Each type of sheet has a large-font version with fewer tasks and a smaller-font version with more exercises. You can select and change input parameters that set the characteristics and difficulty level for each type of operation. For example, you can set the minimum and maximum sizes of operands

Some of your students may spend hours tinkering with this macro-assisted, life-simulating Excel spreadsheet to study and appreciate ecology, and to see how the spreadsheet program achieves complex purposes. The product is best used as an exploration opportunity for single students or pairs of students. Mathematician John Conway’s simple rules for simulating a life form (1970) are the starting point for the spreadsheet. Multiple enhancements let the student create, compare, and contrast up to