There are 4 worksheets in this set, which give children plenty of practice with subtraction by crossing out - starting with an example and some fun illustrations to keep them interested.
Here are two more worksheets to give children practice at subtracting within 20 using the counting back method. We've included an extra problem for them to think about too.
This illustration shows how our Munching Monster might eat up 6 lollies in 2 bites - the first above the 10 and the second below - to find the answer to a subtraction problem.