Correct: 5+5=10, 3+6=9, 5=3+2, 7+8=15, 4+4=8, 12=6+6, 10+10=20, 8+8=16, 6+6=12, 9+9=18, Incorrect: 4+5=10, 7+7=13, 8=5+4, 9+0=13, 5+8=12, 9+2=12, 3+4=8, 7+4=12, 8+4=17, 5+2=6,

2nd Grade Addition to 20 Wac-a-Mole

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