Answer Key to Math Practice Worksheet for Thirties Doubling

Thirties Doubling
Version 2		Name:________________________

 35
+35
70
 
 31
+31
62
 
 30
+30
60
 
 33
+33
66
 
 37
+37
74
 
 37
+37
74
 
 36
+36
72
 
 34
+34
68
 39
+39
78
 
 37
+37
74
 
 30
+30
60
 
 35
+35
70
 
 32
+32
64
 
 35
+35
70
 
 39
+39
78
 
 37
+37
74
 32
+32
64
 
 34
+34
68
 
 31
+31
62
 
 30
+30
60
 
 32
+32
64
 
 33
+33
66
 
 39
+39
78
 
 34
+34
68
 33
+33
66
 
 31
+31
62
 
 34
+34
68
 
 38
+38
76
 
 36
+36
72
 
 36
+36
72
 
 38
+38
76
 
 35
+35
70
 38
+38
76
 
 32
+32
64
 
 33
+33
66
 
 39
+39
78
 
 30
+30
60
 
 38
+38
76
 
 31
+31
62
 
 36
+36
72
Total: 40Goal: _____Complete: _____Correct: _____
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