1) Arrange the number in ascending order   12,10,11,13 a) 10,12,11,13 b) 10,11,12,13 2) Arrange the number in descending order 14,13,15,12,11 a) 11,12,13,14,15 b) 15,14,13,12,11 3) Arrange the number in ascending order 20,18,17,19,16 a) 16,17,18,19,20 b) 20,19,18,17,16

Ascending/ Descending (within 20)

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