2's
2, 4, 6, __
8
45, 50, 55, ___
60
33, 43, 53, __
63
521, 621, __, __
721, 821
42, 47, __, ___
52, 57
13, 15, 17, __
19
62, 67, __, __
72, 77
What is 10 more than 257?
267
751
453, 553, ___, ___
653, 753
347, 349, __
351
183, 188, __, __
193, 198
751, 761, __, __
771, 781
721, 821, __,
341, 343, 345, __, __
347, 349
578, 580, 582
584
764, 769, __, __
774, 779
381, 391, __, __
401, 411
What is 100 less than 642?
542
472, 482, ___, ___
492, 502