The concept on skip counting by 10’s or tens is an essential skill to learn when making the jump from counting to basic addition.
Skip Counting by 10’s Video
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Counting by Tens:
Count and trace the numbers.
 |
10 Ten Marbles |
 |
20 Twenty Marbles |
 |
30 Thirty Marbles |
 |
40 Forty Marbles |
 |
50 Fifty Marbles |
|
|
60 Sixty Marbles |
 |
70 Seventy Marbles |
 |
80 Eighty Marbles |
 |
90 Ninety Marbles |
 |
100 Hundred Marbles |
The sequence chart will help us to write the number to complete the series which involves skip counting by tens up to tens times.
Skip
counting by 10’s up to 10 times –
|
10, 1 time |
20, 2 time |
30, 3 time |
40, 4 time |
50, 5 time |
|
60, 6 time |
70, 7 time |
80, 8 time |
90, 9 time |
100, 10 time |
I. Now look at the chart above where
every tenth number is in dark yellow color and fill in the blanks below:
|
(i) 10 × 3 = _____ (iv) 10 × 7 = _____ (vii) 10 × 5 = _____ (x) 10 × 8 = _____ (xiii) 10 × 9 = _____ |
(ii) 10 × 6 = _____ (v) 10 × 0 = _____ (viii) 10 × 4 = _____ (xi) 10 × 10 = _____ (xiv) 10 × 2 = _____ |
(iii) 10 × 1 = _____ (vi) 10 × 11 = _____ (ix) 10 × 9 = _____ (xii) 10 × 7 = _____ (xv) 10 × 12 = _____ |
II. Complete the skip counting series
by 10s:
(i)
10, ____, 30, ____, ____, ____, ____, 80.
(ii)
0, ____, ____, ____, ____, 50, ____, 70.
(iii) 70, ____, ____, ____, ____, 120,
____, 140.
(iv) ____, ____, ____, ____, 90, ____,
____, 120.
(v) ____, ____, ____, ____, 70, 80, ____,
____.
(vi) 80, ____, 100, ____, ____, 130, ____,
____.
(vii) 50, ____, ____, 80, ____, 100, ____,
____.
(viii) ____, 20, ____, ____, ____, 60,
____.
(ix) ____, ____, ____, 40, ____, ____,
____, 80.
(x) ____, ____, ____, ____, 90, 100, ____,
120.
Answers:
|
I. (i) 30 (iv) 70 (vii) 50 (x) 80 (xiii) 90 |
(ii) 60 (v) 0 (viii) 40 (xi) 100 (xiv) 20 |
(iii) 10 (vi) 110 (ix) 90 (xii) 70 (xv) 120 |
II. (i) 10, 20, 30, 40, 50, 60, 70, 80.
(ii)
0, 10, 20, 30, 40, 50, 60, 70.
(iii) 70, 80, 90, 100, 110, 120, 130, 140.
(iv) 50, 60, 70, 80, 90, 100, 110,
120.
(v) 30, 40, 50,
60, 70, 80, 90, 100.
(vi) 80, 90, 100, 110, 120, 130, 140, 150.
(vii) 50, 60, 70, 80, 90, 100, 110, 120.
(viii) 10, 20, 30, 40, 50,
60, 70.
(ix) 10, 20, 30, 40, 50,
60, 70, 80.
(x) 50, 60, 70, 80, 90, 100, 110, 120.
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