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Skip Counting by 2's
The concept on skip counting by 2’s or twos is an essential skill to get the idea when we progress to learn the concept on counting to basic addition.
Skip counting means to count after skipping a fixed number of steps.
Look at the numbers above.
Can you see a pattern?
This is skip counting in 2s.
The sequence chart will help us to write the number
to complete the series which involves skip counting by twos up to 50 times.
Skip counting by 2’s up to 50 times –
|
2, 1 time |
4, 2 time |
6, 3 time |
8, 4 time |
10, 5 time |
|
12, 6 time |
14, 7 time |
16, 8 time |
18, 9 time |
20, 10 time |
|
22, 11 time |
24, 12 time |
26, 13 time |
28, 14 time |
30, 15 time |
|
32, 16 time |
34, 17 time |
36, 18 time |
38, 19 time |
40, 20 time |
|
42, 21 time |
44, 22 time |
46, 23 time |
48, 24 time |
50, 25 time |
|
52, 26 time |
54, 27 time |
56, 28 time |
58, 29 time |
60, 30 time |
|
62, 31 time |
64, 32 time |
66, 33 time |
68, 34 time |
70, 35 time |
|
72, 36 time |
74, 37 time |
76, 38 time |
78, 39 time |
80, 40 time |
|
82, 41 time |
84, 42 time |
86, 43 time |
88, 44 time |
90, 45 time |
|
92, 46 time |
94, 47 time |
96, 48 time |
98, 49 time |
100, 50 time |
I. Now look at the table above where every second number is in dark yellow color and fill in the blanks below:
|
(i) 2 × 40 = _____
(iv) 2 × 24 = _____
(vii) 2 × 39 = _____ (x) 2 × 13 = _____ (xiii) 2 × 45 = _____ |
(ii) 2 × 44 = _____
(v) 2 × 16 = _____
(viii) 2 × 28 = _____ (xi) 2 × 32 = _____ (xiv) 2 × 11 = _____ |
(iii) 2 × 23 = _____
(vi) 2 × 47 = _____
(ix) 2 × 22 = _____ (xii) 2 × 33 = _____ (xv) 2 × 25 = _____ |
II. Complete the skip counting series
by 2s:
(i) 0, 2, 4, ____, ____, ____, ____, ____.
(ii) 68, 70, ____, ____, ____, ____, 80, ____.
(iii) 18, ____, ____, ____, ____, 28, ____, ____.
(iv) ____, ____, ____, ____, 92, ____, ____, 98.
(v) ____, ____, ____, ____, 20, 22, ____, 26.
(vi) 76, 78, ____, ____, ____, 86, ____, ____.
(vii) 24, ____, ____, ____, ____, 34, 36, ____.
(viii) 28, 30, ____, ____, ____, ____, ____, 42.
(ix) ____, ____, 34, 36, ____, ____, ____, 44.
(x) ____, ____, ____, ____, 44, 46, ____, 50.
Answers:
|
I. (i) 80
(iv) 48
(vii) 78 (x) 26 (xiii) 90 |
(ii) 88
(v) 32 (viii) 56 (xi) 64
(xiv) 22 |
(iii) 46
(vi) 94
(ix) 44 (xii) 66 (xv) 50 |
II. (i) 0, 2, 4, 6, 8, 10, 12, 14
(ii) 68, 70, 72, 74, 76, 78, 80, 82
(iii) 18, 20, 22, 24, 26 28, 30, 32
(iv) 84, 86, 88, 90, 92, 94, 96, 98
(v) 12, 14, 16, 18, 20, 22, 24, 26
(vi) 76, 78, 80, 82, 84, 86, 88, 90
(vii) 24, 26, 28, 30, 32, 34, 36, 38
(viii) 28, 30, 32, 34, 36, 38, 40, 42
(ix) 30, 32, 34, 36, 38, 40, 42, 44
(x) 36, 38, 40, 42, 44, 46, 48, 50
2nd Grade Math Practice
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