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Revision Notes

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.

44 questions20 flashcards5 concepts

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Key Topics to Revise

1

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
2

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
3

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
4

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

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Full Notes

Key Concepts

Children learn to recognize numbers byZero is introduced as a specialLearning different ways to makeNumbers from 11 to 20Learning to identify which numbers

Frequently 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?
Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Making 10 (Numbers 10 to 20)

All 13 chapters — CBSE Class 1 Mathematics Revision Notes

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