Addition
ICSE · Class 1 · Mathematics
Summary of Addition for ICSE Class 1 Mathematics. Key concepts, important points, and chapter overview.
Interactive on Super Tutor
Studying Addition? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for chapter summary and more.
1,000+ Class 1 students started this chapter today
Overview
Addition is one of the most important basic operations in mathematics. It means putting things together or combining numbers to find the total. In this chapter, we learn how to add numbers using simple methods like counting forward, adding in columns, and understanding the idea of 'carry over'. We w
Key Concepts
Addition means combining two or more
Addition means combining two or more numbers to get a bigger number. The symbol for addition is '+'. The answer we get is called the 'sum'. For exampl
We can add numbers by starting
We can add numbers by starting from one number and counting forward. For example, to add 4 + 3, start at 4 and count 3 more: 5, 6, 7. So, 4 + 3 = 7.
When adding numbers
When adding numbers, if the sum of digits in any column is less than 10, we write it directly. For example, adding 22 + 20: ones (2+0=2), tens (2+2=4)
Sometimes
Sometimes, when we add the ones, the sum is 10 or more. Then we carry the extra ten to the tens column. For example, 48 + 27: 8+7=15, so we write 5 in
Learning Objectives
- Understand what addition means and how it is used in daily life
- Learn to add numbers by counting forward
- Add 1-digit and 2-digit numbers without carry over
- Add two 2-digit numbers with carry over
- Add three numbers together
Frequently Asked Questions
What are the important topics in Addition for ICSE Class 1 Mathematics?
How to score full marks in Addition — ICSE Class 1 Mathematics?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Addition
Practice Quiz
Test yourself with a quick quiz
Important Questions
Practice with board exam-style questions
Revision Notes
Key points for last-minute revision
Formula Sheet
All formulas in one place
Concept Maps
See how topics connect visually
Study Plan
Step-by-step plan to ace this chapter
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Addition chapter — for free.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for ICSE Class 1 Mathematics.