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.
Subtraction by Counting Back Worksheets Set 4
Practise subtraction within 20 - including sums that bridge 10 - with the help of a number line. There are 2 worksheets in this set.
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.