We start the subtraction. At least on the worksheets. Today, the basics of subtraction to 10 in the form of simple equations and graphs.
I have presented the subtraction in the form of a graphic diagram made of squares.
The minuend, i.e. the number from which we subtract, is symbolized by colored squares. The subtrahend is represented by crosses. The difference, i.e. the result of subtraction, is colored squares that are not crossed out.
The same principle is used by children to solve mathematical graphs.