1. Let's create practice problems based on the topics you shared: Squares and Square Roots, Non-Perfect Squares, and related concepts. 2. Problem 1: Find the square of 12. 3. Problem 2: Calculate the square root of 144. 4. Problem 3: Simplify the square root of 50. 5. Problem 4: Determine if 81 is a perfect square. 6. Problem 5: Find the square root of 2 (approximate to 3 decimal places). 7. Problem 6: Simplify $$\sqrt{72}$$. 8. Problem 7: If $$x^2 = 169$$, find $$x$$. 9. Problem 8: Express 0.25 as a square of a number. 10. Problem 9: Find the square root of 0.81. 11. Problem 10: Simplify $$\sqrt{18} + \sqrt{8}$$. These problems cover perfect squares, non-perfect squares, simplification of square roots, and decimal/fraction connections to squares and roots. Try solving these to practice the concepts!