A set of worksheets focusing on adding and subtracting 100 to numbers up to 10,000.Focusing on 3-digit numbers, students add and subtract 100 to a given number, paying close attention to the place value of each digit, what changes and what stays the same.This resource includes a range of worksheets and is the perfect independent task to consolidate skills in place value, number sense and addition/subtraction patterns when working with 4-digit numbers.