The concept on skip counting by 11’s or elevens 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 elevens up to tens times.
Skip counting by 11’s up to 10 times –
11, 1 time 
22, 2 time 
33, 3 time 
44, 4 time 
55, 5 time 
66, 6 time 
77, 7 time 
88, 8 time 
99, 9 time 
110, 10 time 
I. Now look at the chart above where every eleventh number is in dark yellow color and fill in the blanks below:
(i) 11 × 4 = _____ (iv) 11 × 6 = _____
(vii) 11 × 2 = _____ (x) 11 × 9 = _____ (xiii) 11 × 5 = _____ 
(ii) 11 × 8 = _____ (v) 11 × 1 = _____
(viii) 11 × 7 = _____ (xi) 11 × 3 = _____ (xiv) 11 × 10 = _____ 
(iii) 11 × 9 = _____ (vi) 11 × 11 = _____
(ix) 11 × 8 = _____ (xii) 11 × 12 = _____ (xv) 11 × 0 = _____ 
II. Complete the skip counting series by 11s:
(i) 11, ____, ____, 44, ____, ____, ____, 88.
(ii) 0, ____, ____, 33, ____, ____, 66, 77.
(iii) 77, ____, ____, ____, ____, 132, 143.
(iv) ____, ____, ____, ____, 99, ____, ____, 132.
(v) ____, ____, ____, ____, 66, 77, ____, ____.
(vi) 55, ____, 77, ____, ____, 110, 121, ____.
(vii) 33, ____, ____, 66, ____, 88, ____, ____.
(viii) ____, 22, ____, ____, ____, 66, ____.
(ix) ____, ____, 33, 44, ____, ____, ____, 88.
(x) ____, ____, ____, ____, 99, 110, ____, 132.
Answers:
I. (i) 44 (iv) 66 (vii) 22
(x) 99 (xiii) 55 
(ii) 88 (v) 11
(viii) 77 (xi) 33 (xiv) 110 
(iii) 99 (vi) 121
(ix) 88 (xii) 132 (xv) 0 
II. (i) 11, 22, 33, 44, 55, 66, 77, 88.
(ii) 0, 11, 22, 33, 44, 55, 66, 77.
(iii) 77, 88, 99, 110, 121, 132, 143.
(iv) 55, 66, 77, 88, 99, 110, 121, 132.
(v) 22, 33, 44, 55, 66, 77, 88, 99.
(vi) 55, 66, 77, 88, 99, 110, 121, 132.
(vii) 33, 44, 55, 66, 77, 88, 99, 110.
(viii) 11, 22, 33, 44, 55, 66, 77.
(ix) 11, 22, 33, 44, 55, 66, 77, 88.
(x) 55, 66, 77, 88, 99, 110, 121, 132.
2nd Grade Math Practice
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