Counting by 6s

counting by 6s
Counting by 6s means adding six to previous number or jump by 6. Each number is 6 more than the previous number. if the 1st number is an odd number then the next number after adding 6 will be an odd number. And if the 1st number is an even number then the next number will be an even number.
Example: Counting by 6's
If the 1st number is 7 then next 5 numbers obtained by counting by 6's are; 7, 7 + 6 =13; 13 + 6 =19; 19 + 6 =25; 25 + 6 = 31; 31 + 6 =37
So next 5 numbers after 7 are 13,19,25,31,37.

Example 1 : Find the next 3 numbers after 22 by counting it by 6's.
Solution : 1st number = 22 + 6 = 28
2nd number = 28 + 6 = 34
3rd number = 34 + 6 = 40
So next 3 numbers after 22 are : 28,34,40.

Example 2 : Find the missing numbers. 15,21,____,____,____,____.
Solution : 1st number is 15 and next number is 21 so from this we can see that its counting by 6's
. That means after adding 6 to previous number we will get the next number. So,
1st missing number = 21 + 6 =27
2nd missing number = 27 + 6 = 33
3rd missing number = 33 + 6 = 39
4th missing number = 39 + 6 = 45
So the number are 15,21,27,33,39,45.

Example 3 : Complete the following pattern.
12,18,24,____,____,____
Solution : In 12,18 and 24 the gap of 6. That means by adding 6 we get a next number. So, 1st missing number is 24 + 6 = 30, 2nd missing number is 30 + 6 =36 and 3rd missing number is 36 + 6 = 42. Series is 12,18,24,30,36,42.

Skip counting by 6s up to 20 times

6
1 time

12
2 times

18
3 times

24
4 times

30
5 times

36
6 times

42
7 times

48
8 times

54
9 times

60
10 times

66
11 times

72
12 times

78
13 times

84
14 times

90
15 times

96
16 times

102
17 times

108
18 times

114
19 times

120
20 times

I Complete the following counting by 6's:
1) 1,7,13,___, ____,_____,_____,_____.

2) 32,38,44,___, ____,_____,_____,_____.

3) 70,76,82,___, ____,_____,_____,_____.

4) 65,71,77,___, ____,_____,_____,_____.

Answers

1) 19,25,31,37,43
2) 50,56,62,68,74
3) 88,94,100,106,112
4) 83,89,95,101,107
2nd Grade Math

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