NCERT Solutions for Class 1 Mathematics Joyful-Mathematics (English) Chapter 4
NCERT solutions for Class 1 Maths Chapter 4 Making 10 – complete answers & explanations
Class 1 Maths Chapter 4 “Making 10” introduces children to the concept of numbers, counting, and forming groups to understand addition and subtraction. This chapter is important because it helps students build strong number sense, recognize patterns, and prepare for higher-level arithmetic. In this blog, you will find complete NCERT solutions strictly based on the worksheet provided, ensuring accuracy and alignment with the original content.
What this NCERT chapter covers?
1. Understanding numbers through dot patterns and groupings.
2. Learning the concept of zero and its meaning in daily life.
3. Exploring number pairs that make 5 and 10.
4. Activities to count up to 20 using objects and partitions.
5. Fun games and projects to reinforce number sense.
6. Building confidence in addition and subtraction through visual aids.
How to use these NCERT solutions
1. First, attempt the questions in the worksheet on your own.
2. Use the solutions provided here to check your answers.
3. Parents and teachers can guide children by explaining the activities step by step.
4. Follow the exact order of questions as given in the worksheet for clarity.
5. Use the sample answers to understand how to approach similar problems.
Important tips & tricks for students
1. Avoid skipping steps while counting objects – count carefully.
2. Remember that NCERT expects answers exactly as shown in the worksheet.
3. To score full marks, write answers neatly and in the correct order.
4. For activities and speaking tasks, follow instructions exactly as given.
5. Practice number pairs regularly to strengthen addition skills.
NCERT solutions – complete answer key
Dotty Bug and her Designs
A
(Worksheet content shows dot patterns)
B
Explanation: Arrange objects in groups and count the dots.
C
Explanation:
1. Look carefully at the arrangement of red bindis in the textbook picture.
2. Each group of bindis forms a number by their count.
3. Count the bindis in each arrangement one by one.
4. Write down the exact number you get from each arrangement.
Answer: 1, 3, 5, 7, 9.
D
Explanation: Roll the dice, count the dots, and colour the matching box. The child with more coloured boxes wins. Subitization means recognizing the number of objects in a group instantly, without counting one by one. This activity builds number sense and helps children understand quantities visually.
Sample Answer (Dot Patterns for Numbers 1-9):
Children should be able to look at each card and say the number immediately.
Vanishing Buttons
Explanation: Zero means nothing is left, just like when all buttons are gone from the shirt.
Answer: Examples – 0 pencils in the box, 0 students in the classroom, 0 apples on the plate.
Explanation: Eating a balanced diet keeps us healthy, while overeating can make us sick.
Write the number of birds sitting on the branch of the tree: 3, 2, 1, 0.
Think and Tell
A – 0
B – 0
Explanation: To demonstrate zero, start with a few objects (like 5 pencils). Remove one pencil at a time while counting backwards. When no pencils are left, the number is 0.
Sample Answer:
- 5 pencils -> remove 1 -> 4 pencils
- 4 pencils -> remove 1 -> 3 pencils
- 3 pencils -> remove 1 -> 2 pencils
- 2 pencils -> remove 1 -> 1 pencil
- 1 pencil -> remove 1 -> 0 pencils
Tenth Birthday
Beads – 10
Laddoos – 10
Crayons – 10
Bananas – 10
Leaves – 10
Let us Do
A
Explanation: Draw 10 beads in a line.
B
Explanation: Draw 10 buttons arranged in a 2 x 5 frame.
The Handy Five and Ten
1 and 4
2 and 3
3 and 2
4 and 1
5 and 0
Let us Play
Explanation: To solve this, first show 3 fingers on one hand. Then ask your friend to show the remaining fingers needed to make a total of 5.
Sample Answer: 3 fingers + 2 fingers = 5 fingers
Number Pairs of 10
1 + 9 = 10
2 + 8 = 10
3 + 7 = 10
4 + 6 = 10
5 + 5 = 10
Let us Play a Card Game
Explanation: Play the card game as described. The child with more pairs making 10 wins.
Counting up to 20
Activity-1
Explanation: Number partitions mean breaking a number into two parts that add up to the whole.
Example: 2 + 3 = 5, 4 + 6 = 10.
Activity-2
Explanation: Give children up to 20 objects. Group them into tens and ones.
Sample Answer: 10 seeds + 7 seeds = 17 seeds.
Count and Write
A – 18, 13
B – 14 (Colour 14 boxes), 19 (Colour 19 boxes), 16 (Colour 16 boxes)
C – Table with numbers 8 to 20 as shown in worksheet
D – 17, 16, 20, 10
E – i. Tallest tower – Tower with 20 blocks
ii. Most blocks – 20
iii. Least blocks – 9
Let us Do
A – ii. 6, ii. 11
B – i. 19, ii. 17
C – Numbers as shown in worksheet table
D – 20, 16, 13, 11, 9, 3
E – i. Number of blocks – 11
ii. Number of white dots – 13
F – Join the numbers from 1 to 20. The figure formed after joining the numbers is a Bird.
Project Work
A – Explanation: Example – bindi cards, pencils in a box.
B – Explanation: Use cardboard or waste material to create cards.
Why NCERT solutions help students?
These solutions help students prepare for exams by giving them clarity on concepts and exact answers. They ensure confidence by aligning with NCERT standards and help children build strong foundations in mathematics.
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