Guestimate That Side! (Estimation Activity)Grade Level: 6th – 9th GradeDescription: A fun, rapid-fire estimation game where students must guess the length of a missing side (likely vectors or triangle sides) without a calculator.How to Use: Use as a Warm-Up Game. Have students number a paper 1-5. Run the slides and give them 15 seconds per slide to "guesstimate." The student with the closest total sum at the end wins a prize. Great for building number sense!Stats: 7 Slides | 5 Estimation Challen