Susan,

Thank you for your message! I did have a chance to speak with Dr. Cotter on this lesson and worksheet.

She pointed out to me to take a closer look at the objectives as it states to draw and shade freehand. Therefore this lesson asks for the creative juices to flow!

Therefore feel free to let your child explore this lesson on his own. He will be able to use his creativity to tackle the measurements and complete the task!

Let us know if you have any additional questions, we are here to help!

Make it a great day!

Cassie