Posted on April 13, 2009 by clyderob

Mr. Sutton’s class sits in a circle, each student spaced equally apart from each other.

If the 4th student sits directly opposite the 13th student, how many students are in Mr. Sutton’s class?

Extension:

If the entire 4th grade at the school sits in a larger circle, how many students are there if the 11th student sits directly opposite the 49th student?

If the entire school sits in a larger circle, how many students are there if the 34th student sits opposite the 76th student?

Filed under: Today's Problem | Tagged: geometry, math, patterns | Leave a comment »

Posted on January 23, 2009 by clyderob

Mrs. Riser wants to place 10 chairs along the walls in a rectangular gymnasium so that there are an equal number of chairs along each wall. How can it be done?

Filed under: Today's Problem | Tagged: math, patterns | 1 Comment »

Posted on January 5, 2009 by clyderob

If you count from one to 100, how many 8’s will you pass?

Filed under: Today's Problem | Tagged: counting, math, patterns | Leave a comment »

Posted on November 25, 2008 by clyderob

Shannon’s dad gave her a penny today to put in her new piggy bank. Tomorrow he will give another penny to make 2 pennies, and the next day he gives her 2 pennies to make 4 pennies. Each day he doubles the number of pennies from the day before.

After 16 days, Shannon’s bank is full.

On what day was Shannon’s bank half-full?

Filed under: Today's Problem | Tagged: math, money, patterns | 2 Comments »