Basic Mathematics

Counting

COUNTING

 

 

 

 

1 11 21 31 41 51 61 71 81 91
2 12 22 32 42 52 62 72 82 92
3 13 23 33 43 53 63 73 83 93
4 14 24 34 44 54 64 74 84 94
5 15 25 35 45 55 65 75 85 95
6 16 26 36 46 56 66 76 86 96
7 17 27 37 47 57 67 77 87 97
8 18 28 38 48 58 68 78 88 98
9 19 29 39 49 59 69 79 89 99
10 20 30 40 50 60 70 80 90 100

 

 

 

COUNTING BY TWOS

 

 

 

 

2 12 22 32 42 52 62 72 82 92
4 14 24 34 44 54 64 74 84 94
6 16 26 36 46 56 66 76 86 96
8 18 28 38 48 58 68 78 88 98
10 20 30 40 50 60 70 80 90 100

 

 

COUNTING BY THREES

 

 

 

 

3 18 33 48 63 78 93
6 21 36 51 66 81 96
9 24 39 54 69 84 99
12 27 42 57 72 87
15 30 45 60 75 90

 

 

 

 

COUNTING BY FOURS

 

 

 

 

4 24 44 64 84
8 28 48 68 88
12 32 52 72 92
16 36 56 76 96
20 40 60 80 100

 

 

 

 

COUNTING BY FIVES

 

 

 

 

5 25 45 65 85
10 30 50 70 90
15 35 55 75 95
20 40 60 80 100

 

 

 

 

COUNTING BY TENS

 

 

 

 

10 20 30 40 50 60 70 80 90 100

 

 

 

 

 

COUNTING DOWN IN FROM 100 TO 1

 

 

 

 

 

100 99 98 97 96 95 94 93 92 91
90 89 88 87 86 85 84 83 82 81
80 79 78 77 76 75 74 73 72 71
70 69 68 67 66 65 64 63 62 61
60 59 58 57 56 55 54 53 52 51
50 49 48 47 46 45 44 43 42 41
40 39 38 37 36 35 34 33 32 31
30 29 28 27 26 25 24 23 22 21
20 19 18 17 16 15 14 13 12 11
10 9 8 7 6 5 4 3 2 1

 

 

 

 

 

 

 

COUNTING DOWN IN TWOS FROM 100 TO 2

 

 

 

 

 

100 98 96 94 92 90 88 86 84 82
80 78 76 74 72 70 68 66 64 62
60 58 56 54 52 50 48 46 44 42
40 38 36 34 32 30 28 26 24 22
20 18 16 14 12 10 8 6 4 2

 

 

 

 

 

COUNTING DOWN IN THREES FROM 100 TO 1

 

 

 

 

100 97 94 91 88 85 82 79 76 73
70 67 64 61 58 55 52 49 46 43
40 37 34 31 28 25 22 19 16 13
10 7 4 1

 

 

 

 

 

 

 

COUNTING DOWN IN FOURS FROM 100 TO 4

 

 

 

 

100 96 92 88 84 80 76 72 68 64
60 56 52 48 44 40 36 32 28 24
20 16 12 8 4

 

 

 

 

COUNTING DOWN IN FIVES FROM 100 TO 5

 

 

 

 

100 95 90 85 80 75 70 65 60 55
50 45 40 35 30 25 20 15 10 5

 

 

 

 

COUNTING DOWN IN TENS FROM 100 TO 10

 

 

 

100 90 80 70 60 50 40 30 20 10

 

 

 

 

Souvik

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