Do some "real life" Munching Method practice by collecting together up to 18 small objects and letting the Munching Monster work out the answers to some subtraction problems!
Subtraction with the Munching Method Monster Poster
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.