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Add the following numbers: a) 123,456 + 234,567 = ___ b) 456,789 + 567,890 = ___ c) 678,901 + 789,012 = ___
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Subtract the following numbers: a) 987,654 - 123,456 = ___ b) 876,543 - 234,567 = ___ c) 765,432 - 345,678 = ___
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Solve the following word problems: a) John has 345,678 marbles, and he gives 123,456 marbles to his friend. How many marbles does John have left? b) Sarah has 567,890 stickers, and she buys 234,567 more stickers. How many stickers does Sarah have now? c) There are 789,012 books in a library. If 678,901 books are borrowed, how many books are left in the library?
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Find the missing number in the following addition or subtraction equations: a) 123,456 + ___ = 345,678 b) ___ - 234,567 = 432,109 c) 567,890 + ___ = 789,012
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True or False: a) 456,789 + 567,890 = 1,024,679 b) 987,654 - 123,456 = 864,198 c) 678,901 + 789,012 = 1,467,913
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