Here are two more worksheets giving children plenty of practice at using subtraction by crossing out within 20. On each worksheet we have done the first problem for them to show them how, and provide 9 more for them to do themselves.
Subtraction by crossing out worksheets set 4 - UK - Log in or Become a Member to download
Subtraction by crossing out worksheets set 4 - US - Log in or Become a Member to download
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.