Division of Labor: teacher key

Factories, grade 9 edition, written for 9th grade. Pins, muskets and the math of an assembly line.

Read the book. Print this page for the key.

Questions and answers

How did Adam Smith describe a pin factory?
- One man made each pin alone
- Work was divided into about eighteen operations (answer)
- Robots made pins
What did Whitney sign a contract to do in 1798?
- Build a robot
- Invent the Model T
- Mass-produce 12,000 muskets (answer)
What is line balancing?
- A math puzzle of ordering tasks and fitting station times (answer)
- A kind of scale
- A safety rule
What did Ford do that Taylor did not?
- Substituted machines for labor (answer)
- Disliked workers
- Made pins
What does the word interchangeable mean here?
- Very heavy
- Able to be swapped (answer)
- Hand-made