اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Subtraction is not an easy concept for a child to grasp. In '' I Learn Subtraction'', the author makes use of concrete pictures to help the child understand subtraction . The book goes on to teach the child subtraction of two-digit numbers. At this level, regrouping (borrowing numbers) is not taught.
I Count to 10, I Count to 100, I Learn Addition, I Learn Subtraction, I Learn Multiplication
Good education begins naturally at home or at school. These books have been designed for use by parents and children together. Step by step children will start learning counting, addition, subtraction and multiplication...