Web Math Minute Web Math Minute. PRINT SHEETS. To begin, choose the type of math sheet, the number of equations on each sheet, and the number of sheets you want to generate. Also enter the range of numbers you want to use (Maximum and Minimum). For instance, a Kindergarten student may need addition and subtraction using numbers 1 to 4, while a Second Grade student may need addition and subtraction up to 10, and a 5th grader needs everything up to 12.