NCERT Solutions for Class 2 Mathematics Joyful-Mathematics (English) Chapter 6

NCERT solutions for Class 2 Mathematics Chapter 6 Decoration for Festival – complete answers & explanations

This blog provides complete NCERT solutions for Class 2 Mathematics Chapter 6 Decoration for Festival, strictly based on the shared worksheet. The chapter explores addition and subtraction through fun festival-themed activities like counting flowers, diyas, garlands, and playing with blocks. Understanding these concepts helps students build number sense, problem-solving skills, and confidence in basic math operations essential for exams. All answers and explanations below follow the worksheet content exactly, ensuring accuracy and reliability for your study needs.

what this NCERT chapter covers?

1. Key concepts include addition and subtraction of two-digit numbers using tens and ones, number lines, ginladi, and block models in the context of festival decorations.
2. Language skills covered are reading word problems about flowers, diyas, garlands, and gifts, following step-by-step instructions for counting and calculating, and discussing real-life math situations.
3. The chapter helps in exams by strengthening mental math, improving understanding of place value, and practicing NCERT-aligned problem formats that match board exam expectations.

how to use these NCERT solutions?

1. First, attempt all questions from the worksheet on your own without looking at the answers to test your understanding.
2. After completing your answers, compare them with the solutions provided here to check accuracy and identify areas for improvement.
3. Parents and teachers can guide students by discussing the explanations, encouraging hands-on activities like counting flowers or using blocks, and reviewing addition and subtraction strategies together.
4. Remember that these solutions follow the exact order and content of the shared worksheet, so use them as a direct reference for practice and revision.

important tips & tricks for students

1. Avoid copying answers without understanding; always read the word problems carefully and identify whether addition or subtraction is needed.
2. NCERT expects answers to show the working steps, especially when using tens and ones or number lines—do not skip the process.
3. To score full marks, ensure correct counting on ginladi or number lines, write complete sentences for word problems, and double-check regrouping in subtraction.
4. For open-ended questions or pattern extensions, remember that "Answers may vary." Focus on following the given pattern or rule consistently.

NCERT solutions – complete answer key

decoration for celebration
Rohan and his friends need garlands to decorate their homes for celebration. Each has 10 flowers. Complete the given table with the help of the above picture.
| Name|Number of garlands|Number of loose flowers|Total number of flowers|
| ---|---|---|---|
| Rohan|1|2|10+2=12|
| Simran|3|7|30+7=37|
| Akash|4|8|40+8=48|
| Suwali|5|3|50+3=53|
| Javed| | | |
| Zoha| | | |

how many flowers are used by rohan and suwali together?
I have 10+2=12 flowers. I have 50+3=53 flowers.
Rohan brings 1 garland 2 loose flowers 10+2=12
Suwali brings 5 garlands 3 loose flowers 50+3=53
Suwali and Rohan together bring 6 garlands 5 loose flowers 60+5=65
Tens(T) Ones(O)

how many flowers are used by zoha and javed in all?
Zoha brings 2 garlands 0 loose flowers 20+0=20
Javed brings 4 garlands 3 loose flowers 40+3=43
Zoha and Javed together bring 6 garlands 3 loose flowers 60+3=63

what is the total number of flowers used by zoha and akash?
Zoha brings 2 garlands 0 loose flowers 20+0=20
Akash brings 4 garlands 8 loose flowers 40+8=48
Zoha and Akash together bring 6 garlands 8 loose flowers 60+8=68

what is the total number of flowers used by rohan and simran?
Rohan brings 1 garland 2 loose flowers 10+2=12
Simran brings 3 garlands 7 loose flowers 30+7=37
Rohan and Simran together bring 4 garlands 9 loose flowers 40+9=49

let us do it on ginladi
A. 25+12=37
B. 57+34=91
We can write 24 + 40+3=64+3=67

read the number line and fill the boxes
A. 22+16=38
B. 18+13=31
C. 15+12=27

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

playing with blocks
Mahi's Blocks: 3 tens 4 ones
Isha's Blocks: 2 tens 7 ones
Total: 5 tens 11 ones = 6 tens 1 one = 61

adding ones and tens method
36+47
Adding ones: 6+7=13
Adding tens: 3+4+1=8
Answer: 83

let us do
A. Rahim made 43 runs in one match and 58 runs in another match. How many runs he made in the two matches together?
43+58=101 runs
B. Simarpreet had 12 colour pencils. Her mother gifted her 36 more colour pencils. How many total colour pencils does she have now?
12+36=48 colour pencils
C. Heena collected 34 red marbles and 57 blue marbles. How many total marbles does she have now?
34+57=91 marbles
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?
56+35=91
E. There are 36 men and 47 women in the bus. How many people are there in the bus?
36+47=83 people

let us count diyas
I made 75 diyas in a day and sold 35 out of them. Let me count how many diyas are left now?
75-35=40
On taking away 12 from 32, we get 20.
32-12=20

we can also use the ginladi to find the answers
A. Take away 9 from 18: 18-9=9
B. Take away 8 from 12: 12-8=4
C. Take away 18 from 30: 30-18=12
D. Take away 14 from 23: 23-14=9
E. Take away 17 from 26: 26-17=9

read the number line and fill the boxes
A. 26-14=12
B. 39-28=11
C. 35-10=25
D. 38-11=27
E. 22-22=0
F. 14-0=14
G. 35-12=23
Discuss with children about subtracting zero and subtracting the number with itself by taking examples from daily life situations, like, spending all money or spending no money.

playing with blocks subtraction
I have 45, I give 12 to my friend. I am left with 33
45-12=33
Subtract 24 from 37: 37-24=13

let us do
A. Shikha has <82. She bought pencils for <22. How much money is she left with?
82-22=60
B. Ruby has 60. She bought a notebook for <20. How much money is she left with?
60-20=40

decorating with garlands
46-18=28
28-5=23
54-28=26
73-47=26

let us do
45-18=27
84-45=39
65-27=38
27-27=0
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?
20-14=6 or 14+6=20
B. Avni skipped 12 times in the first chance. How many more skips she has to make to complete 20 skips?
20-12=8 or 12+8=20
We can use any of the method—ginladi, number strip, number block or moti mala to find the answers.

A. Anushka collected 63 shells. She gave 26 shells to her brother. How many shells are left with her?
63-26=37 shells
B. 54 passengers were sitting in the bus and 16 got down at the bus stand. How many are there in the bus now?
54-16=38 passengers
C. There were 40 balloons and 13 balloons got burst. How many balloons are left?
40-13=27 balloons
D. Kanika made 72 bangles. She sold 36 bangles. How many bangles are left with Kanika now?
72-36=36 bangles
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.
87-56=31 birds
F. Arman dribbled the ball 18 times. How many more times should he dribble the ball to complete 35 taps?
35-18=17 taps

addition and subtraction facts
Fill the missing numbers to complete the fact family.
20, 30, 50: 20+30=50, 30+20=50, 50-30=20, 50-20=30
10, 20, 30: 10+20=30, 20+10=30, 30-20=10, 30-10=20
20, 80, 100: 20+80=100, 80+20=100, 100-80=20, 100-20=80

hania and mansi's gift
There are 378 in the purse. The cost of a gift wrapper is <24 and the cost of ribbons is 37.
A. How much money did they spend?
24+37=61
B. How much money is left with them?
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.
25+36=75 → Incorrect, correct answer is 61
37+58=111 → Incorrect, correct answer is 95
35-17=13 → Incorrect, correct answer is 18
57-78=21 → Incorrect, cannot subtract larger from smaller in this context
30-11=27 → Incorrect, correct answer is 19
Correct it if you find them wrong.

why NCERT solutions help students?

Using these NCERT solutions helps students prepare confidently for exams by providing accurate, worksheet-aligned answers. They clarify concepts through step-by-step solutions using ginladi, number lines, and blocks, reinforce NCERT expectations for showing working steps, and build self-assurance when practicing addition, subtraction, and word problems. Regular use of these solutions ensures students stay on track with the syllabus and develop strong foundational skills in Mathematics.

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