The concept on skip counting by 7’s or sevens is crucial skill to discover when do the jump from count to an easy addition.
You are watching: If you count from 1 to 100 how many 7
The sequence chart will help us to write the number to complete the series which entails skip count by sevens approximately 14 times.
7, 1 time  14, 2 time  21, 3 time  28, 4 time 
35, 5 time  42, 6 time  49, 7 time  56, 8 time 
63, 9 time  70, 10 time  77, 11 time  84, 12 time 
91, 13 time  98, 14 time 
I. Currently look at the chart over whereevery seventh number is in dark yellow color and also fill in the blanks below:
(i) 7 × 10 = _____ (iv) 7 × 7 = _____ (vii) 7 × 13 = _____ (x) 7 × 1 = _____ (xiii) 7 × 8 = _____  (ii) 7 × 5 = _____ (v) 7 × 11 = _____ (viii) 7 × 12 = _____ (xi) 7 × 14 = _____ (xiv) 7 × 2 = _____  (iii) 7 × 9 = _____ (vi) 7 × 13 = _____ (ix) 7 × 4 = _____ (xii) 7 × 3 = _____ (xv) 7 × 6 = _____ 
II. Complete the skip count seriesby 7s:
(i) 21, 28, 35, ____, ____, ____,
(ii) 63, 70, ____, ____, 91, ____.
(iii) 28, ____, ____, ____, 56, ____.
(iv) ____, ____, 49, ____,____, 70.
(v) ____, ____, ____, 77, 84, ____, 98.
(vi) 21, 28, ____, ____, 49, ____.
(vii) 7, ____, ____, 28, 35,____.
(viii) 42, 49, ____, ____, ____, 77.
(ix) ____, ____, 35, ____, ____, ____, 63.
(x) ____, ____, ____, 56, 63, ____, 77.
Answers:
(i) 70 (iv) 49 (vii) 91 (x) 7 (xiii) 56  (ii) 35 (v) 77 (viii) 84 (xi) 98 (xiv) 14  (iii) 63 (vi) 91 (ix) 28 (xii) 21 (xv) 42 
II. (i) 21, 28, 35, 42, 49, 56,
(ii) 63, 70, 77, 84, 91, 98.
(iii) 28, 35, 42, 49, 56, 63.
(iv) 35, 42, 49, 56, 63, 70.
(v) 56, 63, 70, 77, 84, 91, 98.
(vi) 21, 28, 35, 42, 49, 56.
(vii) 7, 14, 21, 28, 35, 42.
(viii) 42, 49, 56, 63, 70, 77.
(ix) 21, 28, 35, 42, 49, 56, 63.
(x) 35, 42, 49, 56, 63, 70, 77.
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2nd Grade math PracticeFrom Skip counting by 7"s to home PAGE
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