Build accuracy and confidence with this Counting Significant Figures Worksheet setβperfect for High School Chemistry (Grades 9β12). 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. Whatβs Included Identifying Significant Figures (introduces rule