This resource contains 5 math centers for Addition and Subtraction Beyond 20. It is aligned to the 1st grade NBT standards and contains centers for the following topics:
-Counting forward and backward by 10
-Adding a 1 digit to a 2 digit
-Adding tens and ones
-Subtracting a 1 digit from a 2 digit
-Subtracting multiples of 10
This would go perfectly with my Place Value ISN! It aligns very well - check it out in my store!