Build accuracy and confidence with this Counting Significant Figures Worksheet setāperfect for High School Chemistry (Grades 9ā12). Students practice counting significant figures, rounding, and applying sig fig rules to addition, subtraction, multiplication, and division. Problems progress from identification to mixed calculations, making this resource ideal for classwork, homework, warm-ups, stations, quizzes, or review. Whatās Included Identifying Significant Figures (introduces rule