Page 204 - Start Up Mathematics_3

Number of edges = 1 Chapter 12: Data Handling
Number of vertices = 1 Let’s Recall
(d) Number of faces = 1 (a) Saturday (b) Wednesday (c) 1 (d) 7 (e) 28
Shape of faces = curved
Number of edges = None Exercise 12.1
Number of vertices = None 1. (a) Chocolate bar (b) Casatta (c) 35 (d) 10
4. A B C D E F G H 2. Holiday Number of students

1 • P • • •Q • • • • destination
Manali   
2 • (a) • • • • • • Shimla     
•
L Darjeeling    
3 S • • • • R • • • •
•
4 • • • • • (b) • • Ooty  
Ladakh  
5 • • • M • • • • • N Exercise 12.2
Exercise 11.3 1. Fish Tally marks Number
1. Students to do on their own.
Starfish | | | | | | | | | | | 13

2. (a) (b)
Clownfish | | | | | | 7

(c) (d) Goldfish | | | | | | | | | | | | | 16

(e) (f) Angelfish | | | | | | | | 9
Catfish | | | | | | | | | | 12

(g)
Total 57
3. (a) 24, 28, 32 (b) 28, 33, 38 (c) 65, 70, 85 (a) Gold fish (b) 57 (c) 16
(d) 250, 300, 350 (e) 400, 380, 360 (f) 55, 44, 33
Exercise 11.4 2. Animal Tally marks Number
Sparrow | | | | | | 7

1. (a) (b) (c) (d)
Parrot | | | | 5
Dog | | | 3
(e) (f) (g) (h) Squirrel | | | | | 6
Crow | | | | 5
Rat | | | | | | | 8
2. (a) (b) (c)
(a) (ii) (b) (i) (c) (iii) (d) (i) (e) (ii)

Let’s Evaluate
(d) (e) (f)
1. (a) Ashish (b) Varun and Kavya
3. Students to do on their own. (c) Aditi (d) 90 (e) 405
4. (a) (ii) (b) (iii) (c) (iv) (d) (i) 2.
5. Students to do on their own. Stalls Tally marks Number

6. (a) Rectangle (b) Rectangle (c) Oval Food | | | | | | | | | | | 13

Let’s Evaluate Games | | | | | | | | 9

1. (a) triangle (b) 4 sides, 4 corners and 2 diagonals Handicrafts | | | | | | | | | | 12

(c) vertex (d) 6 (e) curved (f) solid | | | |
2. Students to do on their own. Toys 5
Swings | | | | | | | | 8

3. (a) (b) (c) (d) (e) Total 48
4. (b) (a) 48 (b) 4 (c) 3

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