In-Text Questions (Text Book Page No. 5,6,7,8,12) - Chapter 2 - Numbers - Term 2 - 5th Maths Guide Samacheer Kalvi Solutions

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Try These (Text Book Page No. 5)
$\begin{aligned}
&1^{2}=1 \times 1=1 \\
&2^{2}=2 \times 2=4 \\
&3^{2}=3 \times 3=9 \\
&4^{2}=4 \times 4=16 \\
&5^{2}=5 \times 5=25 \\
&6^{2}=6 \times 6= \\
&7^{2}=7 \times 7= \\
&8^{2}=8 \times 8= \\
&9^{2}=9 \times 9= \\
&10^{2}=10 \times 10=
\end{aligned}$
Answer:
$\begin{aligned}
&1^{2}=1 \times 1=1 \\
&2^{2}=2 \times 2=4 \\
&3^{2}=3 \times 3=9 \\
&4^{2}=4 \times 4=16 \\
&5^{2}=5 \times 5=25 \\
&6^{2}=6 \times 6=36 \\
&7^{2}=7 \times 7=49 \\
&8^{2}=8 \times 8=64 \\
&9^{2}=9 \times 9=81 \\
&10^{2}=10 \times 10=100
\end{aligned}$

Activity (Text Book Page No. 6)
A. Count and Write the number of boxes:
Question $1 .$

Question $2.$

Question $3 .$

Question $4 .$

B. Circle and colour the square numbers

Question 1.

Work Sheet (Text Book Page No. 7 )
I. Answer the following:
Question $1 .$
The square number of 2 is
Hint $: 2 \times 2=4$
Answer:
4
 

Question 2.
The square number of 5 is
hint $: 5 \times 5=25$
Answer:
25

Question $3 .$

These number of boxes is equal to one square number,
The number is
Answer:
The number is 9

Question $4 .$
Which of following number is square number
a. 23
b. 54
c. 36
d. 45
HInt $=62=6 \times 6=36$
Answer:
36

Question $5 .$
What is next square number of 49 ?
a. 76
b. 95
C. 64
d. 45
Hint : $7 \times 7=49$
$8 \times 8=64$
Answer:
64

Try These (Text Book Page No. 8)
Find the Factors:
Factors of 4 are 1,2 and 4 .
Factors of 10 are $1,2,5$ and 10 .
Factors of 16 are 1, 2, 4, 8 and 16 .
Factors of 18 are
Factors of 20 are
Factors of 24 are
Factors of 42 are
Answer:

Activity (Text Book Page No. 9)

Try These (Text Book Page No. 11)
$5,10,15$,
Answer:
$20,25,30,35,40$
 

Try These (Text Book Page No. 12)
Find L.C.M
1. 10 and 15
2. 8 and 6
3. 4 and 10
4. 6 and 16
Answer:

3. 4 and 10
Multiple of $4=4,8,12,16,20,24,28,32,36,40,44, \ldots$
Multiple of $10=10,20,30.40,50,60, \ldots$
Common multiples of 4,10 ore $20,40, \ldots$
LCM of 4,10 is 20 .
(4) 6 and 16
Multiple of $6-6,12,18,24,30,36,42,48,54,60,66,72,78,84,90,96,102, \ldots$
Multiple of $16-16,32,48,64,80,96,112, \ldots$
Common multiples of $6.16$ are $48,96, \ldots$
LCM of 6,16 is 48 .

Think it (Text Book Page No. 12)
Can we say the highest common multiples for two numbers?
Answer:
No only LCM