NCERT Solutions for Class 4 Maths - Chapter 10 - Play With Patterns

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PAGE NO. 111

Q.1. Now you fill these stars. Use numbers 1 – 9 and the rule that the numbers on each line add up to 15.
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PAGE NO. 112

Q.1. Now use numbers 1 – 6 to make your own magic triangle. Rule: Numbers on each side must add up to 10
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PAGE NO. 113

Q.1. Now you write any number and the three numbers after that. Make a pattern using the rule. See if you get the same sum.
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Q.2.Using the same rule, complete these number towers.
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PAGE NO.114

Q.1. Now, you try to make such a pattern with 5 numbers in order.
Does the sum grow by 5 each time?
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PAGE NO. 115

Q.1. Complete this list of letters and numbers to help you.

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Q.2. Teenu wants to write to his friend ‘Good Morning’. What will he write by using the same rule?
Ans. G = 7; O = 15; O = 15; D = 4
M = 13; O = 15; R = 18, N = 14, I = 9, N = 14; G = 7
Thus, ‘Good Morning’ is written as

Q.3. If we change the rule and write 1 in place of ‘B’, 3 in place of ‘D’ and so on, then how will we write ‘Let Us Dance’?
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L = 11; E = 4;  T = 19
U = 20; S = 18
D = 3; A = 26; N = 13; C = 2; E = 4

PAGE NO. 116

Q.1. What was Kahuli’s secret message? ____________
1) What did Shablu and Jaggu write? ____________________________________________________
2) Use the same rule to write — ‘Meet me on the moon’. _____________________________________________________
3) Make different rules and ask your friends to crack the secret message.
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1) We are friends.
2) Shablu wrote 2 messages, which are given below:
In her left hand, she held a paper in which following message was written. Hello! how are you? In her right hand, she held a paper in which following message was written. Will you play with me?
Jaggu also wrote 2 messages, which are given below:
In his left hand, he held a newspaper in which the following message was written. Fine, thank you. In his right hand, he held a newspaper in which the following message was written. Yes!
3) NFFU NF PO UIF NPPO.

PAGE NO. 117

Q.1. Now, Anisha is playing with this card. Draw what it will look like when upside down.
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PAGE NO. 118

Q.1. Now, you cover this floor with this tile.
Can you make such a floor design with a tile like a circle?
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Q.2. Try with this green tile without leaving a gap. Could you do it? Discuss with your friends.
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We cannot cover the floor with this green tile without leaving a gap.

Q.3. Complete this tiling pattern.
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PAGE NO. 119

Q.1. Ramaiya has made a wall with his blocks. Can you complete this for him?
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Q.2. Renu began to paint this wall. Now you help her to complete it.
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