1) The greatest 4-digit number is a) 1000 b) 9999 c) 999 2) How many places in ones period? a) 1 b) 2 c) 3 3) The numeral of nine thousand ninety is a) 9900 b) 9009 c) 9090 4) 45×0 = a) 0 b) 45 c) 450 5) The predecessor of 100 is a) 99 b) 101 c) 999 6) 9000-2000 = ________ a) 9000 b) 7000 c) 2000

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