36 Everyday Number Sense: Mental Math and Visual Models EMPowerTM

3. Will you spend more than one night in any state? Which one(s)?

4. Which town is closest to the halfway mark?

5. How many nights will you spend traveling across the country?

6. Did you use rounding and mental calculations to arrive at your answers? How?

40 Everyday Number Sense: Mental Math and Visual Models EMPowerTM

3. What is the height of Mt. David rounded to the nearest 100 feet?

4. Do some research: What is the highest mountain in the country

where you were born? How high is it?