Java Games: Flashcards, matching, concentration, and word search.

Subtraction

Subtraction facts to 20.
AB
17 - 98
14 - 77
19 - 415
16 - 79
13 - 85
13 - 94
16 - 511
19 - 613
14 - 86
15 - 510
19 - 712
18 - 414

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