find the sum by counting 10s 3561+3371
Answers
Step-by-step explanation:
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