🧪 Average Atomic Mass Whiteboard Practice | Isotope Abundance Calculations

Get your students actively engaged while mastering average atomic mass calculations with this high-energy whiteboard practice activity! This resource includes a wide variety of real isotope data sets that challenge students to apply weighted average calculations using percent abundance.

Perfect for guided practice, review days, or formative assessment, this activity keeps students accountable while encouraging mathematical precision and scientific reasoning.

📄 What’s Included:

✔️ 30+ Average Atomic Mass calculation problems
✔️ Real isotope mass and percent abundance data
✔️ Elements ranging from Hydrogen to Barium
✔️ Simple, clean formatting ideal for whiteboard or partner work

🧠 Concepts Covered:

• Calculating weighted averages
• Converting percent to decimal form
• Understanding isotopic abundance
• Connecting isotope data to periodic table atomic mass
• Strengthening scientific calculator skills
  

🎯 Perfect For:

• High school Chemistry
• Honors or CP Chemistry
• Guided practice
• Review before quizzes/tests
• Stations or small group work
• Whiteboard competitions