Making 10 (Numbers 10 to 20)
CBSE · Class 1 · Mathematics
Quick revision notes for Making 10 (Numbers 10 to 20) — CBSE Class 1 Mathematics. Key concepts, formulas, and definitions for last-minute revision.
Key Topics to Revise
Understanding Zero (0)
- Zero means 'nothing' or 'no objects'
- Zero is also a number like 1, 2, 3, etc.
- When all objects are taken away, we are left with zero
Number 10 and Making 10
- 10 is the number that comes after 9
- 10 can be made by adding different pairs of numbers
- Number pairs that make 10: 0+10, 1+9, 2+8, 3+7, 4+6, 5+5
Numbers 11 to 20
- Numbers 11-20 come after 10
- Every number from 11-20 has 1 group of ten plus some extra units
- 11 = 1 ten + 1 unit, 12 = 1 ten + 2 units, and so on
Comparing Numbers
- We can find which number is bigger or smaller
- Numbers closer to 20 are bigger than numbers closer to 1
- 15 is bigger than 11 because 15 comes after 11 in counting
Get complete notes with diagrams and examples
Full NotesKey Concepts
Get detailed revision notes for Making 10 (Numbers 10 to 20)
Super Tutor gives you interactive content for every chapter of CBSE Class 1 Mathematics — summaries, quizzes, flashcards, and more.
Try Super Tutor — It's FreeFrequently Asked Questions
What are the important topics in Making 10 (Numbers 10 to 20) for CBSE Class 1 Mathematics?
Making 10 (Numbers 10 to 20) covers several key topics that are frequently asked in CBSE Class 1 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Making 10 (Numbers 10 to 20) — CBSE Class 1 Mathematics?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.
Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
Previous Chapter
Mango Treat (Numbers 1 to 9)
Next Chapter
How Many? (Addition and Subtraction of Single Digit Numbers)
More Resources for Making 10 (Numbers 10 to 20)
Important Questions
Practice with board exam-style questions
Syllabus
What topics to cover
Study Plan
Step-by-step plan to ace this chapter
Flashcards
Quick-fire cards for active recall
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Practice Quiz
Test yourself with a quick quiz
Concept Maps
See how topics connect visually