This version of the old favorite Go Fish focuses on the skill of mentally adding or subtracting 10 from a given number. The game requires students to determine the number that is 10 more or less and ask their opponents for it. The recording sheet allows you to track how students did with the game.
2.NBT.8 Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.
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