A few years ago while on a shuttle to speak on math at a convention, I started talking to a young man next to me. When he found out I was involved in math, he said he could solve story problems as long as someone told him what operation to use. The … [Read more...]
Dr. Cotter on Teaching Math
October 2, 2018 by 1 Comment
I’d like to take some time to discuss the science and art of teaching math. I call it a science because much research has been done into how children learn in general and especially math. I call it an art because each child is different, requiring … [Read more...]
2018 Summer Game #6: Five in a Row Solitaire
July 2, 2018 by Leave a Comment
Have you ever been caught up in a solitaire game and refused to quit until you won? Of course, then you had to play again to see if you could do it again! That is what today’s game is like: addicting, aggravating, and amusing! Five in a Row … [Read more...]
2018 Summer Game #5: Finger Cards in Order
June 26, 2018 by Leave a Comment
It’s party time! In our family, spring and summer = Birthday Season. All six of us have birthdays in the months between April and August. The most recent birthday celebration belonged to my middle daughter. Guess how old she turned..... My … [Read more...]
2018 Summer Game #4: Lowest in the Corners
June 18, 2018 by Leave a Comment
We played this game, Lowest in the Corners, game P18 in the Math Card Games book, with four people ages 9 to adult. At first, I thought it may be difficult for Peter, the 9-year-old, but he had no problem catching on after we played an open-handed … [Read more...]
RS2 Level F, Lesson 105
May 14, 2018 by Leave a Comment
Lesson 105 in RS2 Level F is titled Dividing Fractions on a Fraction Chart. This lesson is very critical to understanding division of fractions. Yes, when dividing fractions we are generally taught to just invert and multiply. But why? Why does this … [Read more...]
