Skip Counting by 13's

The concept on skip counting by 13’s or thirteens 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 thirteens up to tens times.

Skip Counting By 13

Skip counting by 13’s up to 10 times –

13,

1

time

26,

2

time

39,

3

time

52,

4

time

65,

5

time

78,

6

time

91,

7

time

104,

8

time

117,

9

time

130,

10

time

I. Now look at the chart above where every thirteenth number is in dark yellow color and fill in the blanks below:

(i) 13 × 4 = _____

(iv) 13 × 1 = _____

(vii) 13 × 6 = _____

(x) 13 × 3 = _____

(xiii) 13 × 7 = _____

(ii) 13 × 0 = _____

(v) 13 × 10 = _____

(viii) 13 × 5 = _____

(xi) 13 × 9 = _____

(xiv) 13 × 11 = _____

(iii) 13 × 8 = _____

(vi) 13 × 12 = _____

(ix) 13 × 2 = _____

(xii) 13 × 9 = _____

(xv) 13 × 6 = _____

II. Complete the skip counting series by 13s:

(i) 26, ____, ____, ____, 78, ____, ____, 117.

(ii) 0, ____, ____, 39, 52, ____, ____, ____.

(iii) 52, ____, ____, ____, ____, 117, 130.

(iv) ____, ____, ____, ____, 91, 104. 

(v) ____, ____, ____, 91, 104, ____, ____.

(vi) 78, ____, 104, ____, ____, 143, 156. 

(vii) 13, ____, ____, ____, 65, ____, ____, 104.

(viii) ____, 26, ____, ____, ____, 78, 91, ____.

(ix) ____, ____, ____, ____, ____, 143, 156.

(x) ____, ____,  ____, ____, 104, 117, ____, ____.


Answers:


I. (i) 52

(iv) 13

(vii) 78

(x) 39

(xiii) 91

(ii) 0

(v) 130

(viii) 65

(xi) 117

(xiv) 143

(iii) 104

(vi) 156

(ix) 26

(xii) 117

(xv) 78

II. (i) 26, 39, 52, 65, 78, 91, 104, 117.

(ii) 0, 13, 26, 39, 52, 65, 78, 91.

(iii) 52, 65, 78, 91, 14, 117, 130.

(iv) 39, 52, 65, 78, 91, 104. 

(v) 52, 65, 78, 91, 104, 117, 130.

(vi) 78, 91, 104, 117, 130, 143, 156. 

(vii) 13, 26, 39, 52, 65, 78, 91, 104.

(viii) 13, 26, 39, 52, 65, 78, 91, 104.

(ix) 78, 91, 104, 117, 130, 143, 156.

(x) 52, 65, 78, 91, 104, 117, 130, 143.





2nd Grade Math Practice

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