Question 1: Calculate the value of 12².

Answer: 144

Question 2: What is the square of 9?

Answer: 81

Question 3: Calculate 15².

Answer: 225

Question 4: Construct a square with sides of 7 units on the grid. What is the area of this square?

Answer: 49

Question 5: Plot the point corresponding to 10² on a coordinate grid with axes labeled 0 to 20.

Answer: (10, 100)

Question 6: Identify the perfect square of 13 and explain why it is a perfect square.

Answer: 169 because 13 multiplied by 13 equals 169, which makes it a perfect square.

Question 7: If an engineer designs a square panel with side length 14 units, what is its area?

Answer: 196

Question 8: A square beam has an area of 121 square units. What is the length of each side?

Answer: 11

Question 9: A bridge segment is designed as a square with a side of 8 meters. Calculate its area.

Answer: 64

Question 10: Identify the smallest perfect square greater than 100 but less than 150. Show your reasoning.

Answer: 121 because 11² = 121, which is between 100 and 150.

Question 11: A faulty calculation resulted in 15² being computed as 215. Find the error and correct it.

Answer: The error is in miscalculating 15 squared. The correct calculation is 15 x 15 = 225, not 215.