Chemistry: Chapter 1.4
Describe two alternative orders in which Manny could complete his errands.
1.) post office, library, car wash, barbershop, supermarket, video store 2.) post office, library, barbershop, car wash, supermarket, video store
How many minutes will the trip take if you can walk one mile in 20 minutes? Assume that 10 short city blocks equals one mile.
24 blocks
There is an ice cream shop 6 blocks north of your hotel. How many minutes will it take to walk there and back?
24 minutes
In which of the three-step problem-solving approach for numeric problems is a problem-solving strategy developed?
A problem-solving strategy is developed in the analysis step of the three-step problem-solving approach for numeric problems.
What do effective problem-solving strategies have in common?
Effective problem solving always involves developing a plan and implementing the plan.
Identify the statements that correctly describe good problem solvers. a. Read a problem only once. b. Check their work. c. Look up missing facts. d. Look for relationships among the data.
Good problem solvers: b.)check their work, c.)look up missing facts, and d.)look for relationships among the data.
What if Manny had 7 errands instead of 6? What would he need to do to adjust for the extra errand?
Manny would either need to spend less time doing each errand or add an hour to his time doing errands.
On the average, a baseball team wins two out of every three games it plays. How many games will this team lose in a 162-game season?
The team will lose 54 times in a 162 game season, on average.
List the three steps for solving numeric problems.
The three steps for solving numeric problems are analyze, calculate, and evaluate.
What are the two general steps in successful problem solving?
The two general steps in successful problem solving are developing a plan and implementing that plan.
List the two steps for solving conceptual problems.
The two steps for solving conceptual problems are analyze and solve.
Read the conversion problem and then answer the questions. "There are 360" seconds in an hour. How many seconds are in a day?" a. Identify the known and the unknown. b. What relationship between the known and unknown do you need to solve the problem? c. Calculate the answer to the problem d. Evaluate your answer and explain why your answer makes sense.
a.) The known is how many seconds are in an hour. The unknown us how many seconds are in a day. b.) The relationship between the known and unknown we need to solve the problem is how many hours in a day. c.) 86,400 seconds in a day d.) The answer seems reasonable, 86,400 seconds in 1 day. The answer has the correct unit and the relationships used are correct.
