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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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15 * 46 =

12 * 41 =

11 * 24 =

14 * 38 =

17 * 40 =

16 * 23 =

18 * 13 =

18 * 36 =

12 * 33 =

17 * 43 =

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