Name:
______________________________________________
Date:
_____________
Counting by 3s
Instructions: Write the missing numbers.
3
9
12
21
27
42
45
48
54
60
66
75
78
81
84
90
93
105
111
114
117
126
129
138
141
144
147
153
156
159
171
174
180
183
189
201
210
216
222
228
231
234
237
243
246
255
258
261
273
285
291
294
297
300
Handwriting for Kids
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