|
Ms. Brown
has 3 errands to run before a dentist appointment at 10:00 a.m..
To figure out when she should leave her house should she
underestimate or overestimate the total time it will take to run
these errands? |
underestimate
overestimate
|
Bill wants to buy a new
mountain bike which sells for $375. He wants to estimate how long it
will take him to save the money he needs based on his weekly
earnings from his paper route. Should he underestimate or
overestimate his weekly earnings?
|
underestimate
overestimate
|
Jim earns $6.75/ hr.
working at the grocery store. One week he used some of his own
money and purchased a new stereo for $195. That same week he
worked 35 hours. How much money did he earn that week?
Is 35 hours a relevant or
irrelevant piece of information?
|
relevant
irrelevant
|
Joe weighed 20 pounds on his
first birthday and 32 pound on his second birthday. Every year
since his second birthday he has gained 13 pounds. How much
does Joe weigh on his 15th birthday?
Is 20 pounds a relevant or irrelevant piece
of information in this problem? |
relevant
irrelevant |
A bag contains 6 red, 8 white
and 6 blue marbles. Another bag with 9 blue marbles has the
same ratio of white to blue marbles as the first bag. How many
white marbles are in the second bag?
Is 6 red marbles a relevant or irrelevant
piece of information in this problem? |
relevant
irrelevant |
