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Mental Math: Estimation

The content emphasizes the importance of estimation techniques in solving math problems on the ACT, highlighting how these strategies can simplify calculations, eliminate incorrect answers, and enhance the test-taking process.
  • Estimation can often replace exact calculations, making problem-solving quicker and more efficient.
  • Using estimation to round numbers can simplify complex problems and lead to easier calculations.
  • Estimation is valuable for eliminating implausible answers, aiding in educated guessing when unsure.
  • Real-world applicability of estimation helps in assessing the reasonableness of answers.
  • Specific examples demonstrate how estimation can be applied to solve different types of math problems.
The Power of Estimation
Simplifying Complex Problems
Eliminating Incorrect Answers
Real-World Applicability of Estimation