Skip Counting by 10's

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.

Counting by Tens:

Count and trace the numbers.

$Counting by Tens - 1 Ten$

Ten Marbles

$Counting by Tens - 2 Tens$

Twenty Marbles

$Counting by Tens - 3 Tens$

Thirty Marbles

$Counting by Tens - 4 Tens$

Forty Marbles

$Counting by Tens - 5 Tens$

Fifty Marbles

$Counting by Tens - 6 Tens$

Sixty Marbles

$Counting by Tens - 7 Tens$

Seventy Marbles

$Counting by Tens - 8 Tens$

Eighty Marbles

$Counting by Tens - 9 Tens$

Ninety Marbles

$Counting by Tens - 10 Tens$

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.

$Skip Counting By 10$

Skip counting by 10’s up to 10 times –

10,

time

20,

time

30,

time

40,

time

50,

time

60,

time

70,

time

80,

time

90,

time

100,

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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