1. Números

2. Practicar
1,2,3,4,5,6,7,8,9,10
11, 12, 13, 14, 15, 16, 17, 18, 19, 20
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21
2, 4, 6, 8, 10, 12, 14, 16, 18, 20
1, 11, 4, 10, 19, 14, 13, 7, 20, 15, 6
20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1

3. Flash cards Treinta = 30 Cuarenta = 40 Cincuenta = 50 Sesenta = 60
Setenta = 70
Ochenta = 80
Noventa = 90
Cien = 100
Ciento # = 100+

4. Say 10s column then add and (y)
Treinta y #
31, 32, 33, 34, 35, 36, 37, 38, 39,
31, 33, 35, 37, 39
32, 34, 36, 38
39, 38, 37, 36, 35, 34, 33, 32, 31, 30

5. Cuarenta = 40
40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
42, 44, 46, 48,
41, 43, 45, 47, 49
49, 48, 47, 46, 45, 44, 43, 42, 41, 40

6. Cincuenta = 50
50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
58, 56, 54, 52, 50
59, 57, 55, 53, 51

7. Sesenta = 60
60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70
65, 63, 67, 61, 69
64, 66, 62, 68, 60

8. Setenta = 70
70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
71, 79, 73, 77, 75
70, 78, 72, 74, 76

9. Ochenta = 80
80, 81, 82, 83, 84, 85, 86, 87, 88, 89
83, 84, 87, 88, 86
89, 85, 80, 82, 81

10. Noventa 90
90, 91, 92, 93, 94, 95, 96, 97, 98, 99
90, 92, 94, 96, 98
99, 97, 95, 93, 91

11. Cien = 100

12. Ciento 100 +
102, 102, 103, 104, 105, 106, 107, 108, 109, 110
105, 103, 107, 101, 109
106, 104, 108, 102, 110, 100

13. Count to 100 in 75 seconds