Two students were walking to school one day when they saw two teachers
each walking with two dogs.
1. Each dogs had two ears. How many dog ears were there in all?

2. On each dog’s ear there were two fleas. How many fleas were there in all?
Show your calculation.

3. Each flea called two more fleas to join them. How many fleas were there
in all?
Explain how you figured it out.