Significant Figures & Scientific Notation

Textbook-style significant figures and scientific notation worksheets for high school chemistry: clear notes, 30 differentiated exercises and worked keys.

What’s inside (11 pages)

• 2 pages of textbook-style notes: counting significant figures, scientific notation and rounding, and precision in calculations, with key points, worked examples, common mistakes and a quick check
• Version A (10 exercises): counting significant figures, including exact numbers
• Version B (10 exercises): scientific notation both ways and rounding
• Version C (10 exercises): calculations with the correct precision, using lab-style data
• Fully worked answer keys for every exercise
• Teacher notes with guidance on which version suits which class

Why teachers use it

• Quiet differentiation: student pages have no level labels, only a small A/B/C code in the footer
• Clean, textbook-quality layout that prints well in black and white
• Made by a chemist, with every answer checked for correct significant figures
• Works for homework, stations, sub plans, review or a skills unit at the start of the year

Suitable for ages 14 to 18: high school chemistry (grades 9-12), GCSE and A-level chemistry, and international schools. Printable PDF.

Want to try before you buy? Download the free Significant Figures Challenge Problems from the Opalchemy shop.