Tamilnadu Samacheer Kalvi 5th Maths Solutions Term 2 Chapter 3 Patterns Additional Questions

Question 1.
Mention the time in the clock when the angle is

(i) 30°
Answer:

(ii) 120°
Answer:

(iii) 150°
Answer:

Tamilnadu Samacheer Kalvi 5th Maths Solutions Term 2 Chapter 3 Patterns InText Questions

Activity:1 (Text Book Page No.16)

Continue the pattern as done in first to complete the tile.

Answer:

Answer:

Activity:2 (Text Book Page No.16)

Continue the border stripe.

Answer:

Activity:3 (Text Book Page No.16)

Answer:

Activity:4 (Text Book Page No.22)

Arrange the given words to form a pattern
Depth, called, walked, mice, played, pulled, breadth, rice, length, width, price, voice
_______, _______, _______, _______,
_______, _______, _______, _______,
_______, _______, _______, _______,
Answer:
Depth, breadth, length, width
called, walked, played, pulled
nice, rice, price, voice

Tamilnadu Samacheer Kalvi 5th Maths Solutions Term 2 Chapter 3 Patterns Ex 3.3

Question 1.
Write down the collection of words by ending with “ENT” AND “HT”.

(i) WENT, SENT, B____ , R____ , T____
Answer:
BENT, RENT, TENT

(ii) NIGHT, LIGHT, R____, B____, M____
Answer:
RIGHT, BIGHT, MIGHT

Question 2.
Fill in the blanks

(i) C__AT, B__ AT, G__AT
Answer:
COAT,BOAT,GOAT

(ii) R __D, B__D, W__D
Answer:
REb, BEb, WED

Tamilnadu Samacheer Kalvi 5th Maths Solutions Term 2 Chapter 3 Patterns Ex 3.2

Question 1.
Mention the time in the clock when the angle is

i) 180°
Answer:

ii) 90°
Answer:

iii) 60°.
Answer:

Question 2.
Find the angle made by the hands of the clock at the given time.
i)

Answer:

ii)

Answer:

iii)

Answer:

iv)

Answer:

v)

Answer:

vi)

Answer:

Tamilnadu Samacheer Kalvi 5th Maths Solutions Term 2 Chapter 3 Patterns Ex 3.1

Question 1.
Find the angle of the given shapes using the equilateral triangle.
i)

Answer:

ii)

Answer:

Question 2.
Find the angles of a rectangle using a circle.
Answer:

Angle of a circle is 360° ○
= 360 ÷ 4 = 90

Tamilnadu Samacheer Kalvi 5th Maths Solutions Term 2 Chapter 2 Numbers InText Questions

Try These (Text Book Page No. 5)

1² = 1 × 1 = 1
2² = 2 × 2 = 4
3² = 3 × 3 = 9
4² = 4 × 4 = 16
5² = 5 × 5 = 25
6² = 6 × 6 = ______
7² = 7 × 7 = ______
8² = 8 × 8 = ______
9² = 9 × 9 = ______
10² = 10 × 10 = ______
Answer:
1² = 1 × 1 = 1
2² = 2 × 2 = 4
3² = 3 × 3 = 9
4² = 4 × 4 = 16
5² = 5 × 5 = 25
6² = 6 × 6 = 36
7² = 7 × 7 = 49
8² = 8 × 8 = 64
9² = 9 × 9 = 81
10² = 10 × 10 = 100

Activity (Text Book Page No. 6)

A. Count and Write the number of boxes:

Question 1.

Answer:
1

Question 2.

Answer:
4

Question 3.

Answer:
9

Question 4.

Answer:
16

B. Circle and colour the square numbers:

Question 1.

Answer:

Work Sheet (Text Book Page No. 7)

I. Answer the following:

Question 1.
The square number of 2 is _________
Hint : 2 × 2 = 4
Answer:
4

Question 2.
The square number of 5 is
hint : 5 × 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 × 6 = 36
Answer:
36

Question 5.
What is next square number of 49?
a. 76
b. 95
C. 64
d. 45
Hint : 7 × 7 = 49
8 × 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:
Factors of 18 are ________

1,2,3,6,9 and 18 are the factors of 18.

Factors of 20 are ________

1,2,4,5,10 and 20 are factors of 20.

Factors of 24 are ________

1,2,3,46,8, 12 and 24 are factors of 24.

Factors of 42 are ________

1,2,3,6,7,14,21 and 42 are factors of 42.

Activity (Text Book Page No. 9)

Tick the factors of the following numbers

Answer:

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:
1. 10 and 15

Common multiples of 10, 15 are 30, 60, 90, …
LCM of 10, 15 is 30.

2. 8 and 6

Common multiples of 6, 8 are 24, 48,
LCM of 6, 8 is 24.

3. 4 and 10
Multiple of 4 = 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, …
Multiple of 10 = 10, 20, 30. 40, 50, 60, …
Common multiples of 4, 10 ore 20, 40, …
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, …
Multiple of 16 – 16, 32, 48, 64, 80, 96, 112, …
Common multiples of 6. 16 are 48, 96, …
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

Tamilnadu Samacheer Kalvi 5th Maths Solutions Term 2 Chapter 2 Numbers Additional Questions

Question 1.
Find the common factors for:
(i) 6 and 9
(ii) 15 and 20
Answer:
(i) 6 and 9
Factors of 6 is 1, 2, 3, 6
Factors of 9 is 1, 3, 9
Common factors of 6 and 9 is 1, 3

(ii) 15 and 20
Factors of 15 is 1, 3, 5, 15
Factors of 20 is 1, 2, 4, 5, 10, 20
Common factors of 15 and 20 are 1, 5.

Question 2.
Draw a picture of factor tree.
(i) 45
(ii) 100
Answer:
(i) 45

(ii) 100

Question 3.
Write down the first 5 multiple of the given numbers.
(i) 15
(ii) 25
Answer:
(i) 15
15 × 1 = 15
15 × 2 = 30
15 × 3 = 45
15 × 4 = 60
5 × 5 = 75
5, 30, 45, 60, 75

(ii) 25
25 × 1 = 25
25 × 2 = 50
25 × 3 = 75
25 × 4 = 100
25 × 5 = 125
25, 50, 75, 100, 125

Tamilnadu Samacheer Kalvi 5th Maths Solutions Term 2 Chapter 2 Numbers Ex 2.2

Question 1.
Choose the best answer:

(i) The number divisible by 5 with no remainder
(a) 14
(b) 535
(c) 447
(d) 316
Answer:
(b) 535

(ii) Pick the number which is not a multiple of 6.
(a) 18
(b) 26
(c) 72
(d) 36
Hint:
(a) 18 = 6 × 3
(c) 72 = 8 × 9
(d) 36 = 6 × 6
Answer:
(b) 26

(iii) The common multiple of 4 and 8 among the given number is.
(a) 32
(b) 84
(c) 68
(d) 76
Hint:
Multiples of 4 = 4, 8, 12, 16, 20, 24, 28, 32, 36, 40 ….
Multiples of 8 = 8, 16, 24, 32, 40, 48, 56, 64, …
Common multiples of 4, 8 is 8, 16, 24, 32, 40,…
Answer:
(a) 32

(iv) Factors of 6
(a) 1, 2, 3
(b) 1, 6
(c) 1,2,3,6
(d) 2,3
Hint: Multiple of 9 are 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, ……..
Answer:
(c) 1, 2, 3, 6

(v) Multiple of 9 is
(a) 79
(b) 87
(c) 29
(d) 72
Hint: Multiple of 9 are 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, …….
Answer:
(d) 72

Question 2.
Fill in the blanks:

Question 1.
Factors of 7 ______
Answer:
1, 7

Question 2.
The only even prime number is ______
Answer:
1,2

Question 3.
L.C.M of 4, 12 ______
Answer:
12

Question 4.
L.C.M of 5, 15 ______
Answer:
15

Question 5.
The numbers which divides 35 without reminders are _____, ______, ______.
Answer:
1, 5, 7

Question 3.
Write down the factors of the given numbers.
(i) 25
(ii) 36
(iii) 14
(iv) 16
(v) 12
Answer:
(i) 25
Factors of 25 is 1, 5, 25

(ii) 36
Factors of 36 is 1, 2, 3, 4. 6, 9, 12, 18, 36

(iii) 14
Factors of 14 is 1, 2, 7, 14

(iv) 16
Factors of 16 is 1, 2, 4, 8, 16

(v) 12
Factors of 1, 2, 3. 4, 6, 12

Question 4.
Draw a picture of factor tree.

(i) 18
(ii) 33
(iii) 16
(iv) 50
Answer:
(i) 18

(ii) 33

(iii) 16

(iv) 50

Question 5.
Write down the first 5 multiples of the given numbers.
(i) 7
(ii) 9
(iii) 16
(iv) 11
(v) 21
Answer:
(i) 7
= 7 Multiple of 7 – 7, 14, 21, 28, 35

(ii) 9
= 9 Multiple of 9 – 9, 18, 27, 36, 45

(iii) 16
= 16 Multiple of 16 – 16, 32, 48, 64, 80

(iv) 11
= 11 Multiple of 11 is 11, 22, 33, 44, 55

(V) 21
= 21 Multiple of 21 is 21, 42, 63, 84, 105

Question 6.
Find first three common multiples of the given numbers.
(i) 24, 16
(ii) 12,9
(iii) 24,36
Answer:
(i) 24, 16
Multiples of 24 = 24, 48, 72, 96, 120, 144, 168, 192, 216, 240, 264
Multiples of 16 = 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192. 208, 224, 240, 256
Common multiples of 24 and 16 is 48, 96, 144, 192, 240

(ii) 12, 9
Multiples of 12 = 12, 24, 36, 48, 60, 72, 84, 96, 108, 120,
Multiples of 9 – 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117
Common multiples of 12 and 9 is 36, 72, 108

(iii) 24, 36
Multiples of 24 = 24, 48, 72, 96, 120, 144, 168, 192, 216,
Multiples of 36 = 36, 72, 108, 144, 180, 216
Common multiples of 24 and 36 is 72, 144, 216

Question 7.
Find L. C.M of the given numbers.
(i) 12 and 28
(ii) 16 and 24
(iii) 8 and 14
Answer:
(i) 12 and 28
Multiples of 12 = 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 168, 180
Multiples of 28 = 28, 56, 84, 112, 140, 168, 196, ……
Common multiples of 12 and 28 is 84, 168, ……..
LCM is 84

(ii) 16 and 24
Multiples of 16 = 16, 32, 48, 64, 80, 96, 112, 128, 114, …….
Multiples of 24 = 24, 48, 72, 96, 120, 144, ……
Common multiples of 16 and 24 is 48, 96, 144, ……..
LCM is 48

(iii) 8 and 14
Multiples of 8 = 8, 16, 24, 32, 4O48, 56, 64, 72, 80, 88, 96, 104, 112, …
Multiples of 14 = 14, 28, 42, 56, 70,84 98 112 ……
Common multiples of 8 and 14 is 56, 112, …….

(iv) 30 and 20
Multiples of 30 = 30, 60, 90, 120, 150, 180, 210, 240, 270, …
Multiples of 20 = 20, 40, 60, 80, 100, 120, 140, 160, 180, …
Common multiples of 30 and 20 is 60, 120, 180
LCM of 30 and 20 is 60.

Question 8.
Ramya visits the gym five days once and Kavitha visits the gym six days once. In which day will they meet each other?
Answer:
Multiples of 5 = 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, …
Multiples of 6 – 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, …
Common multiples of 5 and 6 is 30, 60
LCM of 5 and 6 is 30.

Question 9.
Arun and shahjahan goes for walking in a circular path of a park in the same direction. Arun takes 6 minutes to complete one round, while shahjahan takes 8 minutes to completed one round. In how many minutes will they meet each other?
Answer:
Multiples of 6 = 6, 12, 18, 24, 30, 36, 42, 48, 54,…
Multiples of 8 = 8, 16, 24, 32, 40, 48, 56, 64, …
Common multiples of 6 and 8 is 24, 48, …
LCM of 6 and 8 is 24.
They will meet each other after 24 minutes.

Tamilnadu Samacheer Kalvi 5th Maths Solutions Term 2 Chapter 2 Numbers Ex 2.1

Question 1.
Find the common factors for:
(i) 8 and 12
(ii) 24 and 30
(iii) 20 and 30
Answer:
(i) 8 and 12

The common factors of 8, 12 are 1, 2, 4

(ii) 24 and 30

The common factors are 24, 30 are 1, 2, 3, 6

(iii) 20 and 30

The common factors of 20, 30 are 1, 2, 5, 10

Tamilnadu Samacheer Kalvi 5th Maths Solutions Term 2 Chapter 1 Geometry InText Questions

Try These (Text Book Page No.2)

Question 1.
Tick (✓) the correct alternative

i)

The shortest distance between the points C and D is shown by the segment CD the curve CD
Answer:
the segment CD

ii)

line PQ and line QP represent different lines / the same line
Answer:
the same line

iii)

point C lies on the ray AB / ray BD
Answer:
ray AB

iv)

Segment MN has infinite / finite length
Answer:
finite length

v)

Ray RT is a part / is not a part of the line TR
Answer:
a part

Question 2.
Write the type of the angle

Answer:
Right angle

Answer:
Acute angle

Answer:
Straight angle

Answer:
Obtuse angle