Estimating non-perfect squares using a number line to show √20 is between 4 and 5.
Number line showing estimation of non-perfect squares, with √16 = 4, √20 ≈ 4.5, and √25 = 5, illustrating how to estimate square roots between perfect squares.
Quality Assured by Worksheets Library Team
Reviewed for educational accuracy and age-appropriateness
ID: #360083