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By Maitree Choube
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Updated on 15 Sep 2025, 11:53 IST
For Grade 1, mathematics worksheets play an important role as they help students practice the basic concepts that build a strong foundation for higher classes. These CBSE Class 1 Maths addition worksheets are a really helpful resource where students will learn how to add numbers, recognize patterns, carry over numbers, and understand tens and ones digits to use them in calculations.
This addition worksheet will not only help in school but also in daily life, where kids or students will learn how to use them in real-world situations. The Class 1 Maths Addition Practice Sheet is useful for homework, classroom learning, and developing mathematical skills, while also supporting the mental ability of students.
With regular practice using Class 1 Maths worksheets, students will find the subject of Maths more interesting and enjoyable. They will not just know a lot but also establish a solid ground on basic concepts such as addition, subtraction, shapes and patterns.
Addition is the first and most important concept in mathematics. It simply means putting things together to find the total. When we add numbers, we combine them to know “how many in all.” Addition helps us in everyday life whether we count chocolates, money, pencils, or even friends in a game.
Order Rule (Commutative Law)
Numbers can be added in any order, and the answer will be the same.
Example: 25 + 14 = 39 and 14 + 25 = 39
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Grouping Rule (Associative Law)
If three numbers are added, grouping them differently will not change the sum.
Example: (12 + 8) + 10 = 30 and 12 + (8 + 10) = 30
Zero Rule (Identity Law)
When we add 0 to any number, the number remains the same.
Example: 67 + 0 = 67
Carrying Rule
If the sum of digits is more than 9, we carry over the extra value to the next place.
Example: 48 + 36 → Add ones → 8 + 6 = 14 → Write 4, carry 1 → Tens → 4 + 3 + 1 = 8 → Answer = 84
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CBSE Class 1 Maths Addition Worksheet PDF is a useful study resource for young learners of Class 1. We have provided free 1st grade addition worksheets in PDF format so that students can easily download and practice anytime. Each addition worksheet for Class 1 with answers PDF is prepared by Infinity Learn expert faculties, ensuring accuracy and zero errors.
Solving these properly structured exercises, children would be able to strengthen their basics, train their speed, and analyze their progress independently. Parents and teachers can also use the Class 1 Addition Worksheet PDF download to guide their students and children and make practice fun, engaging, and effective for exam preparation.
Part A: Fill in the Missing Numbers
Answer: 6
Part B: Complete the Pattern
Answer: 20
Answer: 9
Answer: 31
Part C: Word Problems (Fun Stories)
A balloon seller has 8 red balloons 🎈 and 7 blue balloons 🎈. How many balloons does he have in total?
Answer: 15
Riya has 23 stickers. Her friend gives her 14 more. How many stickers does Riya have now?
Answer: 37
A bus has 28 passengers. At the next stop, 12 more people get in. How many passengers are there now?
Answer: 40
Part D: Match the Correct Answer
Answers: 10 → 30, 11 → 30, 12 → 40
Part E: True or False
Part F: Challenge Zone
Add the first three odd numbers: 1 + 3 + 5 = ___
Answer: 9
Add the first three even numbers: 2 + 4 + 6 = ___
Answer: 12
Sometimes students find addition tricky, so they are taught about “making tens” or “next ten”, and it made everything super easy!
It means joining two numbers that add up to 10. For example:
7 + 3 = 10
4 + 6 = 10
9 + 1 = 10
When we add numbers, sometimes we stop at the nearest ten number. For example:
8 + 2 = 10 (we reached the next ten)
13 + 7 = 20 (we reached the next ten)
Because once we know number pairs that make 10, adding bigger numbers becomes faster. For example:
To solve 18 + 2, I think of 8 + 2 = 10, so it becomes 20.
To solve 26 + 4, I know 6 + 4 = 10, so the answer is 30.
Learning making tens helps to do sums quickly in head, and it feels like solving a fun puzzle .
Start with Small Numbers - Give simple sums like 2 + 3 or 4 + 5 before moving to bigger ones. It makes the child feel confident.
Use Real-Life Examples - Ask them to add apples, pencils, or toys. This connects the CBSE Class 1 addition worksheet with daily life.
Make it Interesting - Turn practice into a game. For example, “Who can solve 5 sums in 2 minutes?” This makes worksheets more exciting.
Teach Carrying Step by Step - When moving to double-digit sums, explain tens and ones clearly. Show with bundles of sticks or blocks.
Encourage Self-Checking - After finishing, ask them to add again in reverse order (e.g., 7 + 3 or 3 + 7). This builds accuracy.
Praise Every Effort - Even if answers are wrong, appreciate the child. A little encouragement makes them love practicing worksheets.
Set a Regular Time - Just 15 minutes daily on the Class 1 addition worksheet with answers can build strong maths basics.
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Students can easily find Class 1 addition worksheet PDFs on educational websites like Infinity Learn that follow the CBSE syllabus. These PDFs are free to download and can be used for home practice anytime and anywhere.
Some of the best websites for free Class 1 Maths worksheets (CBSE) are Infinity Learn that include all study material, printable worksheets, fun quizzes and practice sheets with answers
Addition sums that complete the next ten are problems like 7 + 3 = 10, 4 + 6 = 10, or 8 + 2 = 10. These simple sums help children understand number bonds and make it easier for them to add bigger numbers later.
Practicing ten-making enhances the ability of a child to do mental math since it teaches him or her the combinations of numbers. As an illustration, it is given that 9 + 1 = 10 so they can solve 19 + 1 or 29 + 1 quicker
The Class 1 addition worksheet is primarily meant to the children between the ages of 5 and 7 years. At this age, children are learning how to add numbers, how to see patterns, how to perceive the place value, and worksheets are just the best item to create a strong foundation in math.