4 digit minus 4 digit subtraction

She is doing 4 digit minus 4 digit subtraction and addition level now.
She took 9 months to reach this level.



Thank you for her good Maths good function and concerts.
She only spend 5 to 10 minute to do worksheet about 12 questions.

for Subtraction the child need to understand about can the 4 minus 9 ? if not enough how ? How to borrow ? from where ? and every number after borrow will need to minus again . Parents need to explain it clearly, if the child know the numbering well. she will not face any difficulty on the borrowing part.

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