The terms development or developmentally appropriate are frequently used, but finding good definitions is difficult. A dictionary defines develop as growing and becoming more mature or advanced. We see physical development in the young child. We know … [Read more...] about Dr. Cotter on Development
problem solving
Dr. Cotter on Problem Solving
A few years ago while on a shuttle to speak at a math 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...] about Dr. Cotter on Problem Solving
2022 Summer Game #10: Lowest in the Corners
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...] about 2022 Summer Game #10: Lowest in the Corners
2022 Summer Game #9: Magic Squares Memory
Beth and I might have had a tussle over who got to write about this next game if it weren’t for the fact that we live about 1300 miles apart. Opps, sorry Beth, that should say “about 2092 km.” Beth's from Canada. :) This is her son’s favorite game … [Read more...] about 2022 Summer Game #9: Magic Squares Memory
2020 Summer Game #17: Concentrating on One
Well! We had a super windy week up here in North Dakota. I picked up tree branches, twigs, and leaves from my lawn every day. I’d have it all cleaned up, then I’d look out the window again and it looked just as bad. Some friends took their camper 45 … [Read more...] about 2020 Summer Game #17: Concentrating on One
2020 Summer Game #11: Rounding War
It’s August. Mid-August, if you’re rounding. If you round up, it’s September! It’s the beginning of school!! I know there are few of you starting school already. Some of you are waiting until it’s really September. But no matter how you look at it, … [Read more...] about 2020 Summer Game #11: Rounding War