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memory or shortcut skill

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Do you know your 999 times table?

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Write the digits from 0-9 in order from top to bottom and then from bottom to top

\n

1 x 999 = 09

\n

2 x 999 = 18

\n

3 x 999 = 27

\n

4 x 999 = 36

\n

5 x 999 = 45

\n

6 x 999 = 54

\n

7 x 999 = 63

\n

8 x 999 = 72

\n

9 x 999 = 81

\n

10x999 = 90

\n

Insert 99 in the center of each pair of digits on each line

\n

1 x 999 = 0999

\n

2 x 999 = 1998

\n

3 x 999 = 2997

\n

4 x 999 = 3996

\n

5 x 999 = 4995

\n

6 x 999 = 5994

\n

7 x 999 = 6993

\n

8 x 999 = 7992

\n

9 x 999 = 8991

\n

10x999 = 9990

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2 x 999 =

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3 x 999

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4 x 999

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5 x 999 =

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6 x 999 =

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7 x 999 =

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8 x 999 =

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9 x 999 =

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