➕ Improve flexible thinking with rounding, compatible numbers, and estimation. 📌 **Topics Included:** • Approximate powers of 10 mentally • Approximating square roots mentally • Breaking apart numbers for division • Estimating products • Mental subtraction 1 digit • Mental subtraction 3 digit • Multiplying by 25 mentally • Rounding to add quickly • Using benchmarks 0 12 1 • Using doubles for mental addition ⭐ **Perfect For:** • Bell Ringers • Warm-Ups • Math Fluency • Brain Breaks • Interventio