If you follow this link, you will find some supporting tools to help teach skip counting by tens, and from there you can move into skip counting by fives, then twos, threes, fours, sixes, sevens, eights and nines.
Hundreds Table Worksheets
Click on the image links below to download our basic chart as well as counting worksheets prepared from it:
There are many great activities that you can plan based on this popular tool. You can create your own basic counting worksheets by blanking out numbers and having your student fill in the missing numbers. You will see that we have created several of these types of worksheets for you that you can download and utilize.
Another exercise that you can try is to have your students look for patterns within the grid, without your assistance, in the different rows and columns. They will normally be able to spot sequences of 5's, 10's, etc.,) without help.
You can later help them visualize addition and subtraction problems more easily as well.
We hope that you will find our practice worksheets we have created based on the hundreds chart to be an effective tool for teaching basic math principles to your 1st Grade student.