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Worksheet  \nFind the missing number.  \n5) 21 + 6  \n+ 7  \n79  \n+ 3 88  \n17) 52  \n+ 5  \n6) 11 7) 41 8)   \n+ 7 +  + 5  \n49  25  \n10) 1 11) 85 12) 3  \n+  + 1 + 1  \n7    \n14) 71 + 7  \n18) 55  \n\n| + |  |\n| --- | --- |\n\n55  \n+ 0  \n65  \n19) 13  \n\n| + |  |\n| --- | --- |\n\n14  \n16)  \n20)  \n+ 4  \n15  \n+ 2  \n 73  \nAdd 2-digit / 1-digit numbers in columns,  \n missing addend (no regrouping)   \nGrade 1 Addition Worksheet  \nFind the missing number.  \n1) 19 + 0 19  \n5) 21  \n+ 6  \n9) 72  \n+ 7  \n79  \n13) 85  \n+ 3  \n88  \n17) 52  \n+ 5  \n2) 16 + 1  \n6) 11 + 7  \n10) 1  \n\n| + | 6 |\n| --- | --- |\n\n7  \n14) 71  \n+ 7  \n18) 55  \n\n| + | 0 |\n| --- | --- |\n\n55  \n3) 22  \n+ 0  \n22  \n7) 41  \n\n| + | 8 |\n| --- | --- |\n\n49  \n11) 85  \n+ 1  \n15) 65  \n+ 0  \n65  \n19) 13  \n\n| + | 1 |\n| --- | --- |\n\n14  \n4) 60  \n+ 2  \n62  \n8) 20  \n+ 5  \n 25  \n12) 3  \n+ 1  \n16) 11  \n+ 4  \n15  \n20) 71  \n+ 2  \n 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