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Java Games: Matching, concentration, word search, and flashcards.

DOUBLES ADDITION FACTS

Add these DOUBLES addition facts.

AB
0+0=0
1+1=2
2+2=4
3+3=6
4+4=8
5+5=10
6+6=12
7+7=14
8+8=16
9+9=18
10+10=20