Sample questions
1.372, 377, 382, , , 397
2.200, 300, 400, , 600,
3.213, 313, , , 613, 713
4.145, , , 160, 165, 170
5.637, , 647, 652, , 662
6.350, 360, , 380, , 400
7.200, 300, , , 600, 700
8.315, , 325, 330, , 340
Fill in the missing numbers in a counting pattern.