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Arithmetic ability: level three:

Mental multiplication of a two-digit number from 11 to 19 by a two-digit number from 11 to 49.

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19 * 33 =

17 * 22 =

12 * 47 =

16 * 20 =

18 * 13 =

19 * 42 =

16 * 38 =

15 * 34 =

14 * 11 =

12 * 15 =

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