The concept on skip counting by 5’s or fives is an essential skill to learn when making the jump from counting to basic addition.
The sequence chart will help us to write the number to complete the series which involves skip counting by fives up to 20 times.
Skip counting by 5’s up to 20 times –
5, 1 time 
10, 2 time 
15, 3 time 
20, 4 time 
25, 5 time 
30, 6 time 
35, 7 time 
40, 8 time 
45, 9 time 
50, 10 time 
55, 11 time 
60, 12 time 
65, 13 time 
70, 14 time 
75, 15 time 
80, 16 time 
85, 17 time 
90, 18 time 
95, 19 time 
100, 20 time 
I. Now look at the chart above where every fifth number is in dark yellow color and fill in the blanks below:
(i) 5 × 10 = _____
(iv) 5 × 6 = _____ (vii) 5 × 15 = _____ (x) 5 × 19 = _____ (xiii) 5 × 8 = _____ 
(ii) 5 × 5 = _____
(v) 5 × 16 = _____ (viii) 5 × 12 = _____ (xi) 5 × 10 = _____ (xiv) 5 × 17 = _____ 
(iii) 5 × 11 = _____
(vi) 5 × 13 = _____ (ix) 5 × 5 = _____ (xii) 5 × 14 = _____ (xv) 5 × 9 = _____ 
II. Complete the skip counting series by 5s:
(i) 10, 15, 20, ____, ____, ____, ____, ____.
(ii) 60, 65, ____, ____, ____, ____, 90, ____.
(iii) 30, ____, ____, ____, ____, 55, ____, ____.
(iv) ____, ____, ____, ____, 35, ____, ____, 50.
(v) ____, ____, ____, ____, 85, 90, ____, 100.
(vi) 50, 55, ____, ____, ____, 75, ____, ____.
(vii) 15, ____, ____, ____, ____, 40, 45, ____.
(viii) 34, 40, ____, ____, ____, ____, ____, 70.
(ix) ____, ____, 15, 20, ____, ____, ____, 40.
(x) ____, ____, ____, ____, 65, 70, ____, 80.
Answers:
(i) 50 (iv) 30 (vii) 75 (x) 95 (xiii) 40 
(ii) 25 (v) 80 (viii) 60 (xi) 50
(xiv) 85 
(iii) 55 (vi) 65 (ix) 25
(xii) 70 (xv) 45 
II. (i) 10, 15, 20, 25, 30, 35, 40, 45.
(ii) 60, 65, 70, 75, 80, 85, 90, 95.
(iii) 30, 35, 40, 45, 50, 55, 60, 65.
(iv) 15, 20, 25, 30, 35, 40, 45, 50.
(v) 65, 70, 75, 80, 85, 90, 95, 100.
(vi) 50, 55, 50, 55, 60, 75, 80, 85.
(vii) 15, 20, 25, 30, 35, 40, 45, 50.
(viii) 34, 40, 45, 50, 55, 60, 65, 70.
(ix) 5, 10, 15, 20, 25, 30, 35, 40.
(x) 45, 50, 55, 60, 65, 70, 75, 80.
2nd Grade Math Practice
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