Informal Assessment: Making the most of every moment

I am trying to make the most of every moment in my classroom this year.  I have been doing a lot more informal assessment which has really helped inform my teaching.  I use my white boards a ton especially in math class for doing quick checks for understanding.  I decided to also use the exit slip idea as well.  I created a bunch of number cards, money cards, and clock cards.  As the students leave the room, I flash one of the number cards at them.  The students either have to read the number, identify a digit in a place, or tell me the value of a digit.  I haven't done the money or time cards yet because I've really been drilling place value these past few weeks.  My plan is to also use the cards as the students enter the room as well.  I can't get over how the students have responded to this idea.  If I don't get the cards out on the way out the door, they ask for them.  I hung library pockets on my door frame and put the cards in them so all I have to do is grab them as they line up.  I've been using them at restroom time and any other time we have to wait in the hallway.  It's been great!

Number sense game

One of my favorite games to play with my students to reinforce number concepts is what I call Number Twenty Questions.  I use the interactive 100 board on my Smartboard Notebook software but I've used my regular 100 board also.  I start the game by secretly choosing a number.  I then have students ask me yes or no questions about my  number.  I try to teach them what types of questions to ask.  For example, does your number have two digits?  Is your number even?  I just get them started at the beginning when I first teach the game but then the students get very creative. This game could also be played with a 200 or a 300 chart.  I do not have an interactive one of either of those though.  Using my interactive board, I will color out numbers as we eliminate them because that way students are connecting their question with the numbers being colored out.  I also make a rule that students cannot guess my number until there are 6 or less numbers left on the board.  The student who guesses my number correctly gets to pick the next secret number.  The kids love this game and will beg to play.  Here is a screen capture of my 100 board. I was going to ask if you could guess what questions had already been asked but I just realized I forgot to block out a whole column. (The 9  column)  OOPS! Sorry.