With Jane and Joanne
Tic Tac Toe
Grades 3 - 6
- adding 3-digit numbers
- missing addends
- playing cards Ace (=1) through 9
- paper and pencil
The goal of this game is for pairs of students to work together cooperatively to find missing addends. Teams try to get Tic Tac Toe before their opponents get it.
Each team draws nine (9) cards from the deck. They use those cards in the order drawn to create an addition sentence/problem in which three 3-digit numbers are added.
Player 1 turned over these nine cards: 4, 7, 9, 3, 2, 1, 8, 7, and another 2. The problem he creates is:
|4 7 9
3 2 1
+ 8 7 2
|1 6 7 2
The team figures out their sum and then turns over three of the cards in a diagonal row and displays the sum to the opposing team.
| 7 9
+ 8 7
|1 6 7 2
The other team now has the opportunity to figure out the missing addends. When they figure them out, they tell their opponents the missing addends. If they are correct, they may put one X mark on a Tic Tac Toe gameboard.
The other team now has their chance to figure out the missing addends in a math problem created by their opponents and to add an O to the Tic Tac Toe board.
Play continues until the Tic Tac Toe game is completed.
More About Box Cars and One-Eyed Jacks
Joanne Currah and Jane Felling
created their company, BOX CARS & ONE-EYED JACKS, for the sole purpose of making math fun -- not threatening
or frustrating -- for children. Joanne and Jane spend many days each year on the road as they train
teachers to make math fun for kids and run Family Math Nights at schools. To learn more about the authors,
their books, and the services they provide, visit them at www.boxcarsandoneeyedjacks.com
or email them at email@example.com.
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