Remember:
when asked to represent a problem situation, you have many choices of
representation: algebraically, graphically, numerically (with an
equation or inequality), or verbally. In the following problems,
choose the best way to represent the problem, and then check your answer
with the drop-down. Solve the problem, and then click on the
picture to check your answer.
Joan was 3 years older than her brother. Joan is 19.
How old is her brother?
Ellen and Joey were
playing a video game. Joey finished the task in 1 hour 35
minutes. Ellen finished in 80 minutes. Who worked
the fastest?
What is the median for this set of data:
{
2, 3, 5, 3, 10, 8, 9 }
Dave, Jeff , Kevin,
Jen, and Claire are in line. The teacher said no boys
should stand together, and Dave had to be first. How many
different combinations can there be?
The teacher asks you to turn to a friend and tell them how to
find the mean of a set of data. How should you go about
it?
