A student has a disability that impairs both his understanding of spatial relationships and his perceptual-motor skills. Which of the following math tasks would likely pose the greatest difficulty to this student?

• A. Calculating the area of a given rectangle by applying a formula
• B. Reversing a mathematical operation to check an answer
• C. Constructing congruent geometric shapes on graph paper
• D. Eliminating irrelevant information when solving a word problem

Answer: (C)