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Look around you and list three things in which you find some pattern.
____________ ____________ ____________
Solution:
I can find patterns on the tiles in my bathroom, my mother's saree, and my friend's shirt.
Disclaimer: The answer may vary from student to student depending on their observations. It is highly recommended that the student writes the answers on their own. The answer provided here is for reference only.
Draw some patterns which you have found around yourself.
Solution:
Disclaimer: The answer may vary from student to student. The answer provided here is for reference only.
Practice Time
• Given below are some patterns.
Figure out the rule for each and continue the pattern.
(a)
(b)
(c)
(d)
(e)
(f) Morning, afternoon, evening, night, morning, ________.......
Solution:
(a)
Rule: There is one red pot after every blue pot.
(b)
Rule: There is a B after every two A.
(c)
Rule: First 3 images are repeated in the pattern.
(d)
Rule: The blue triangle in the square changes its position in an anti-clockwise direction. The same pattern of first 4 images is repeated after that.
(e)
Rule: The pattern is moving in a clockwise direction. The same pattern of first 4 images is repeated after that.
(f)
Rule: The four parts of the day are repeated.
Morning, afternoon, evening, night, morning, afternoon, evening, night.
Growing Patterns
Can you see the rule and continue the pattern?
Solution:
In 1st image, there is only 1 arrow head pointing in the upward direction.
In 2nd image, there is only 1 arrow head and is pointing in the downward direction.
In 3rd image, there are only 2 arrow heads pointing in the upward direction.
In 4th image, there are only 2 arrow heads pointing in the downward direction.
Similarly, the arrowheads become 3 in 5th and 6th image, pointing upward and downward alternately.
So, in 7th and 8th image of the pattern, there will be 4 arrowheads, pointing upward and downward alternately.
My Own Patterns
• Here is your space to make your own patterns:
(i)
(ii)
(iii)
(iv)
Solution:
Some of the patterns are given below for reference:
Disclaimer: The patterns may vary from student to student. It is highly recommended that the student prepares the answer on their own.
Ask your friends to continue the patterns made by you.
Number Patterns
We have made some patterns with pictures. We can make patterns with numbers too. Like 21, 41, 61, 81, 101, ........
You know the next number, don't you?
This is a growing pattern. It can go on and on.
21, 41, 61, 81, 101, 121, 141, 161, .........
Solution:
21, 41, 61, 81, 101, 121, 141, 161, 181, 201, 221, 241, 261, 281, 301.............
A Look for the rules and continue these growing patterns:
(a) 51, 56, 61, 66, _____, _____ .......
(b) 7, _____, 21, 28, 35, _____, _____ ......
(c) 2, 4, 8, 16, 32, _____, _____, _____
(d) 12A, 13B, 14C, _____, _____.
Solution:
(a)
51 + 5 = 56
56 + 5 = 61
So, we keep adding 5 in the next number to complete the pattern further.
51, 56, 61, 66, 71, 76, 77 .......
(b)
7 1 = 7
7 2 = 14
7 3 = 21
So, we keep writing table of 7 to complete the pattern further.
7, 14, 21, 28, 35,42, 49, ......
(c)
2 1 = 2
2 2 = 4
2 4 = 8
2 8 = 16
So, we keep multiplying 2 with the previous answer received to complete the pattern further.
2, 4, 8, 16, 32, 64, 128, 256
(d)
Here each number increases by 1 and alphabets are written in their order along with the increasing numbers.
12A, 13B, 14C, 15D, 16E.
Look at these growing patterns. Find out what to add to each number to get the next one:
(a) 1, 3, 6, 10, _____, _____, _____, _____, _____
(b) 0, 2, 6, 12, _____, _____, _____, _____, _____
(c) 1, 3, 7, 13, _____, _____, _____, _____, _____
(d) 2, 3, 6, 11, 18, _____, _____, _____, _____, _____
Solution:
(a)
1 + 2 = 3
3 + 3 = 6
6 + 4 = 10
10 + 5 = 15
1, 3, 6, 10, 15, 21, 28, 36, 45.
(b)
0 + 2 = 2
2 + 4 = 6
6 + 6 = 12
12 + 8 = 20
0, 2, 6, 12, 20, 30, 42, 56, 72.
(c)
1 + 2 = 3
3 + 4 = 7
7 + 6 = 13
13 + 8 = 21
1, 3, 7, 13, 21, 31, 43, 57, 73
(d)
2 + 1 = 3
3 + 3 = 6
6 + 5 = 11
11 + 7 = 18
2, 3, 6, 11, 18, 27, 38, 51, 66, 83.
Now you also make your own secret messages.
_______________________________________________
_______________________________________________
_______________________________________________
Solution:
4 I 5 L 4 O 5 V 4 E 5 M 4 A 5 T 4 H 5 S 4
Disclaimer: The answer may vary from student to student. It is highly recommended that the student prepare their answer on their own.
Even and Odd Number Patterns
91 81 71 61 51 41 31 21 11 1 |
92 82 72 62 52 42 32 22 12 2 |
93 83 73 63 53 43 33 23 13 3 |
94 84 74 64 54 44 34 24 14 4 |
95 85 75 65 55 45 35 25 15 5 |
96 86 76 66 56 46 36 26 16 6 |
97 87 77 67 57 47 37 27 17 7 |
98 88 78 68 58 48 38 28 18 8 |
99 89 79 69 59 49 39 29 19 9 |
100 90 80 70 60 50 40 30 20 10 |
Solution:
All these numbers have either 0, 2, 4, 6 or 8 at their units place.
96, 98, 100, 102, 104, 106, 108, 110, 112......
This can be continued without any end.
No, none of these even numbers end with 3 or 5.
Even numbers end with 2, 4, 6, 8 or 0.
99, 101, 103, 105, 107, 109, 111, 113.......
Numbers in blue end with 1, 3, 5, 7 or 9.
Names in an Order
Adil has to arrange this list so that the names starting with A come first and then come those with B, C, D and so on. Number these names in the order in which they will come.
Sharada Mahadevan Tsering Adil
Gurinder Baichung Harsha Raja
Narayan Kavita Warsha Elvis Jalaj
Solution:
Sharada Mahadevan Tsering Adil
Gurinder Baichung Harsha Raja
Narayan Kavita Warsha Elvis Jalaj
Which of the following names have the same pattern? Mark ✓.
Harsh, Anna, Kanak, Munna, Ongbi
Solution:
Harsh, Anna, Kanak, Munna, Ongbi
✓ ✓