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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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12 * 18 =

17 * 35 =

15 * 31 =

19 * 37 =

13 * 16 =

13 * 44 =

15 * 17 =

18 * 39 =

11 * 20 =

12 * 27 =

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