It's to count back! (Contar de trás para frente)

11, 10, 9, 8, 7, 6, 5, 4, 3, 2, etc.

15, 14, 13, 12, 11, 10, 9, 8, etc.

24, 23, 22, 21, 20, 19, 18, etc.

35, 34, 33, 32, 31, 30, 19, etc.

50, 49, 48, 47, 46, 45, 44, etc.

Complete the exercise orally:

(Faça o exercício oralmente)

Backward:          09, 08, _______, _______, _______, _______, _______

Backward:           18, 17,  _______, _______, _______, _______, _______

Backward:           29, 28,  _______, _______, _______, _______, _______

Backward:           36, 35,  _______, _______, _______, _______, _______

Backward:           47, 46,  _______, _______, _______, _______, _______

Answers:

09, 08, 07, 06, 05, 04, 03

18, 17, 16, 15, 14, 13, 12

29, 28, 27, 26, 25, 24, 23

36, 35, 34, 33, 32, 31, 30

47, 46, 45, 44, 43, 42, 41