## Thursday, November 9, 2017

### What We're Playing in Math - And You Can Play at Home!

This week, we've been working on number sense, place value, and logic, as we play the Guess-Digit-Place game.
This game is great to play at home - or at a restaurant, say, when waiting patiently for food. Those paper placemats
can be very handy!

Here is a simple version, one that we started with in class:

### Digit Place Game

Objective: Students will learn the concept that each digit has its own unique place within the whole
number.

Materials: chalkboard, chalk (or paper, pencil at home)

I said, "We're going to play a game called the Guess-Digit-Place game. It's a guessing game, and I will
write down my secret number on a piece of paper. You can make guesses and I give you clues on a
chart." I then drew a simple chart on the board that said GUESS/DIGIT/PLACE.

We started with a three-digit number. As children guessed numbers, I wrote their number under
"guess" and then wrote how many correct digits were in their guess, and how many were in the right
place. Then the students kept guessing numbers based on the previous responses, until we got the
right number. We are currently up to guessing numbers in the thousands place - it is getting super
tricky!

An example would be 125. If a student guessed 359, I would write 359 under guess, then
1 under digit (meaning that the digit 5 was guessed correctly), then 0 under place (meaning that it
was not in the correct place). If the next guess was 435, then I would make the notation as follows:

GUESS   DIGIT   PLACE
359                 1            0
435                 1            1