Final answer:
The answer explains mastery objectives in mathematics and identifies 'prove geometric theorems' as the most likely mastery objective among the options provided.
Explanation:
Mastery objectives focus on achieving a high level of understanding and proficiency in a specific topic. Among the options given, 'prove geometric theorems' is most likely a mastery objective as it requires a deep understanding of geometric principles and the ability to apply them in various contexts. Solving equations and performing arithmetic calculations like adding two two-digit numbers involve applying learned techniques rather than reaching a high level of mastery in a specific mathematical area.
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