If your students need practice in subtracting multi-digit whole numbers this set of task cards is just what you are looking for. It targets CCSS.MATH.CONTENT.4.NBT.B.4-building fluency in this skill.
There are 56 task cards with a variety of subtraction problems up to 4 places. Great Practice!
Student worksheets and an answer key are included.The cards have a fun robot theme.
If you're looking for more quality practice for your students,check out the following link.