NCERT Solutions for Class 2 Mathematics Chapter Decoration for Festival

This worksheet provides complete and accurate NCERT Solutions for Class 2 Mathematics, Chapter Decoration for Festival. This chapter introduces students to fundamental arithmetic concepts through the engaging context of festival preparations. Students explore addition and subtraction using real-life scenarios like making garlands, counting diyas, and managing money. The chapter also includes visual learning tools such as number lines, blocks, and place value charts. This worksheet is designed to help students understand mathematical concepts deeply, practice calculation skills, and prepare confidently for exams with NCERT-aligned answers.

Chapter summary: stories, poems & themes

This chapter does not contain stories or poems but focuses on activity-based learning through festival-themed scenarios. Students engage with characters like Rohan, Simran, Akash, and Javed who are preparing for a celebration. The theme revolves around using mathematics for decoration tasks such as counting flowers, making garlands, lighting diyas, and managing budgets. The chapter is picture-based and activity-based, encouraging students to visualize numbers using blocks, beads, and number lines to solve problems related to addition and subtraction.

What this NCERT chapter covers?

• Understanding addition and subtraction within 100
• Learning place value concepts using tens and ones
• Practicing calculations using number lines and bead strings
• Solving word problems related to daily life situations
• Exploring fact families and number pyramids
• Developing mental math skills through visual aids

How to use these NCERT solutions?

• Students should first attempt all questions independently before referring to the solutions
• Parents and teachers can use these solutions to guide discussions and check understanding
• All answers follow the exact NCERT order and structure for easy reference
• Use the solutions for revision, self-assessment, and exam preparation
• Activity-based questions marked as student-generated encourage creativity and personal expression

Student tips & learning tricks

• Use tens and ones blocks to visualize addition and subtraction problems
• Count forward on the number line for addition and backward for subtraction
• Break larger numbers into tens and ones to make calculations easier
• For word problems, identify the key numbers and the operation needed first
• Avoid common mistakes like confusing addition with subtraction in word problems

Why NCERT solutions are important?

• NCERT-aligned solutions ensure students learn concepts as per the official curriculum
• Strong foundational understanding of arithmetic builds confidence for higher maths
• Step-by-step answers help students identify gaps and improve accuracy
• Regular practice with these solutions enhances calculation speed and logic skills
• Trusted NCERT content prepares students for both school assessments and competitive exams

Complete answer key – NCERT solutions

Decoration for Celebration Table Completion

Rohan: 1 tens 2 ones = 12
Simran: 3 tens 7 ones = 37
Akash: 4 tens 8 ones = 48
Suwali: 5 tens 3 ones = 53
Javed: 4 tens 3 ones = 43
Zoha: 2 tens 0 ones = 20

Addition Problems

How many flowers are used by Rohan and Suwali together?
Answer: 12 + 53 = 65

How many flowers are used by Zoha and Javed in all?
Answer: 20 + 43 = 63

What is the total number of flowers used by Zoha and Akash?
Answer: 20 + 48 = 68

What is the total number of flowers used by Rohan and Simran?
Answer: 12 + 37 = 49

Let us do it on Ginladi

A. 25 + 12
Answer: 37

B. 57 + 34
Answer: 91

C. 24 + 43
Answer: 67

Number Line Additions

A. 23 + 14
Answer: 37

B. 24 + 16
Answer: 40

C. 11 + 22
Answer: 33

Read the number line and fill the boxes

A. 22 + 16 = 38
B. 18 + 13 = 31
C. 10 + 13 = 23

Add these Numbers

44 + 23 = 67
56 + 23 = 79
60 + 25 = 85
52 + 30 = 82

Playing with Blocks

3 tens 4 ones + 2 tens 6 ones = 5 tens 10 ones = 61
4 tens 5 ones + 4 tens 9 ones = 8 tens 14 ones = 94
5 tens 8 ones + 3 tens 2 ones = 8 tens 10 ones = 91
2 tens 6 ones + 4 tens 8 ones = 6 tens 14 ones = 74

Let us Do Addition Word Problems

A. Rahim made 43 runs in one match and 58 runs in another match. How many runs he made in the two matches together?
Answer: 43 + 58 = 101

B. Simarpreet had 12 colour pencils. Her mother gifted her 36 more colour pencils. How many total colour pencils does she have now?
Answer: 12 + 36 = 48

C. Heena collected 34 red marbles and 57 blue marbles. How many total marbles does she have now?
Answer: 34 + 57 = 91

D. Sarika spent 56 in the fair, while Manish spent 35 in the fair. What is the total money they both spent in the fair?
Answer: 56 + 35 = 91

E. There are 36 men and 14 women in the bus. How many people are there in the bus?
Answer: 36 + 14 = 50

Let us Count Diyas Subtraction

75 - 35 = 40
32 - 12 = 20

Take away on Ginladi

A. 18 - 9 = 9
B. 12 - 8 = 4
C. 30 - 18 = 12
D. 23 - 14 = 9
E. 26 - 17 = 9

Number Line Subtractions

A. 26 - 14 = 12
B. 39 - 28 = 11
C. 25 - 15 = 10
D. 38 - 11 = 27
E. 22 - 22 = 0
F. 14 - 0 = 14
G. 35 - 12 = 23

Playing with Blocks Subtraction

45 - 12 = 33
37 - 24 = 13

Let us Do Subtraction Word Problems

A. Shikha has 82. She bought pencils for 22. How much money is she left with?
Answer: 82 - 22 = 60

B. Ruby has 60. She bought a notebook for 20. How much money is she left with?
Answer: 60 - 20 = 40

Decorating with Garlands Subtraction

46 - 18 = 28
28 - 5 = 23
54 - 28 = 26
73 - 47 = 26

Let us Do More Subtraction

45 - 18 = 27
84 - 45 = 39
65 - 27 = 38
27 - 8 = 19
93 - 44 = 49

Skip the Rope

A. Aman skipped 14 times in the first chance. How many more skips he has to make to complete 20 skips?
Answer: 20 - 14 = 6

B. Avni skipped 12 times in the first chance. How many more skips she has to make to complete 20 skips?
Answer: 20 - 12 = 8

More Word Problems

A. Anushka collected 63 shells. She gave 26 shells to her brother. How many shells are left with her?
Answer: 63 - 26 = 37

B. 54 passengers were sitting in the bus and 16 got down at the bus stand. How many are there in the bus now?
Answer: 54 - 16 = 38

C. There were 40 balloons and 13 balloons got burst. How many balloons are left?
Answer: 40 - 13 = 27

D. Kanika made 72 bangles. She sold 36 bangles. How many bangles are left with Kanika now?
Answer: 72 - 36 = 36

E. 56 birds were sitting on the tree. A few more birds joined them. Now there are 87 birds. Find out the number of birds that came later.
Answer: 87 - 56 = 31

F. Arman dribbled the ball 18 times. How many more times should he dribble the ball to complete 35 taps?
Answer: 35 - 18 = 17

Addition and Subtraction Facts

20 + 30 = 50
50 - 30 = 20
50 - 20 = 30
10 + 20 = 30
30 - 20 = 10
30 - 10 = 20
20 + 80 = 100
100 - 80 = 20
100 - 20 = 80

Addition Pyramid

37 = 16 + 21
50 = 24 + 26
14 = 11 + 3
9 = 3 + 6
8 = 3 + 5

Subtraction Pyramid

12 - 3 = 9
15 - 6 = 9
11 - 5 = 6
8 - 3 = 5

Complete the Diagrams

A. 9 + 5 = 14
B. 10 - 1 = 9
C. 12 - 2 = 10

Hania and Mansi's Gift

A. How much money did they spend?
Answer: 24 + 37 = 61

B. How much money is left with them?
Answer: 378 - 61 = 317

Project Work

Daljeet has solved some questions and written down their answers. What do you think? Are they correct? Verify the answers.
Note: This is a student-generated activity. Students should check the calculations:
25 + 36 = 61 (Not 75)
37 + 58 = 95 (Not 111)
35 - 17 = 18 (Not 13)
57 - 78 = Not possible in positive integers (Not 22)
30 - 11 = 19 (Not 27)
Students should correct these errors in their worksheets.

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