Question 1: Calculate 7² and write the answer in the space below.

Answer: 49

Question 2: What is the value of 12²? Show your working.

Answer: 144

Question 3: Construct a square with side length equal to √81 on the grid. How many unit squares does it contain?

Answer: 81

Question 4: Identify the perfect square: 50, 64, 72, 81. Which numbers are perfect squares?

Answer: ["64","81"]

Question 5: List all perfect squares between 1 and 225.

Answer: 1,4,9,16,25,36,49,64,81,100,121,144,169,196,225

Question 6: A square plot of land has an area of 121 square units. What is the length of each side?

Answer: 11

Question 7: Calculate 14² and explain why it is not a perfect square.

Answer: 196; it is a perfect square (14×14). The question is a trick; 14² is indeed a perfect square.

Question 8: A square number is missing from this sequence: 36, 49, __, 81. What is the missing number?

Answer: 64

Question 9: Graph the function y = x² for x = 1 to 5 on the grid. Label the points.

Answer: Points at (1,1), (2,4), (3,9), (4,16), (5,25)

Question 10: Identify and correct the mistake: Someone says 15² = 150.

Answer: The correct answer is 225. The mistake is in the calculation.

Question 11: Challenge: Find a perfect square between 200 and 225. Show your reasoning.

Answer: 225