Choose the images to explore the teaching objectives of each game.

Addition Sudoku

Teaching objectives:

  • Find a missing term in an operation.
  • Mental arithmetic: addition and subtraction.

Instructions:

Help the elves complete the grid. Pay close attention to the equalities.

Difficulty levels:

1
Sum < 10.
2
Sum < 20.
3
Sum < 30.

Topics covered:

missing term mental arithmetic addition substraction

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