The following quotations describe the Big Friendly Giant, a character in Roald Dahl's book The BFG. “It was four times as tall as the tallest human.”

“It actually had to bend down to peer into the upstairs windows. That's how tall it was.”

“...an arm as thick as a tree trunk...”

“The Giant was sprinting down the High Street... Each stride he took was as long as a tennis court.”

“In the middle of the floor there was a table twelve feet high...”

“He had truly enormous ears. Each one was as big as the wheel of a truck...”

Estimate the height of the Giant using the information given in each quotation. Explain your work.

What real-world numbers did you use?

How did you find them?

What calculation did you do?

Did the results of your calculations agree with each other?

Based on all the calculations, what is your final estimate of the Giant’s height?