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How Many? (Addition and Subtraction of Single Digit Numbers) — Revision Notes

CBSE · Class 1 · Mathematics

How Many? (Addition and Subtraction of Single Digit Numbers) revision notes for CBSE Class 1 Mathematics: 4 topics in quick points.

45 questions60 flashcards5 concepts

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Key Topics to Revise

1

Addition: Join Two Groups

  • Addition means putting two groups together.
  • Children should practice addition with concrete objects first.
  • The words total, sum, and altogether mean the same idea in this chapter.
2

Addition Games and Number Pairs

  • A dice game is used to compare totals of dots.
  • The winner is the one who scores a higher total of dots.
  • Number pairs can be found to make a target number.
3

Addition Story Problems

  • Word problems use real names and objects to build addition sense.
  • Raghav has 4 shells and Sarita has 5 shells.
  • Ranjeet has 3 marbles and Meenakshi has 6 marbles.
4

Subtraction: Take Away and Find What Is Left

  • Subtraction means taking away from a group.
  • Subtraction tells how many are left.
  • The number strip helps by jumping backward.

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Full Notes

Key Concepts

Two groups can be joinedMore objects can be addedThe word make is connectedTwo dice are rolled andDifferent pairs of numbers can make

Frequently Asked Questions

What are the important topics in How Many? (Addition and Subtraction of Single Digit Numbers) for CBSE Class 1 Mathematics?
Key topics in How Many? (Addition and Subtraction of Single Digit Numbers) include Addition: Join Two Groups, Addition Games and Number Pairs, Addition Story Problems, Subtraction: Take Away and Find What Is Left. Study these first, then practise questions on each for Class 1 exams.
How should I revise How Many? (Addition and Subtraction of Single Digit Numbers) for Class 1 exams?
Learn the core ideas first, then work through the 45 practice questions on How Many? (Addition and Subtraction of Single Digit Numbers). Revise 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.

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