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Arithmetic ability: level one:

Mental multiplication of a single-digit number from 2 to 9 by a two-digit number from 11 to 19.

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4 * 14 =

7 * 16 =

7 * 15 =

3 * 17 =

5 * 12 =

4 * 13 =

3 * 12 =

9 * 14 =

4 * 11 =

8 * 15 =

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