Sumas de tres en raya
Sum Tic-Tac-Toe
Description
This game is an excellent way to practice and develop fluency with addends from 0 to 12. As students develop new strategies, they will begin to use subtraction. Encourage students to discuss, write, or illustrate their strategies after playing. You can also ask them to explain why they chose their addend and to justify the sum of their addends during the game.
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