This week, we have been looking at the formal written method for addition and subtraction. We have been using inverse to check our answers. Using your reasoning skills solve these problems and explain how you know the answers.
This week, we have been looking at the formal written method for addition and subtraction. We have been using inverse to check our answers. Using your reasoning skills solve these problems and explain how you know the answers.
I don’t understand the first Question.
I don’t understand the first one
I have completed it
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