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.
Subtraction by Crossing Out Worksheet Set 3
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.
Practise subtraction within 20 - including sums that bridge 10 - with the help of a number line. There are 2 worksheets in this set.