Skip to main content
Super TutorResources
Chapter 8 of 13
QuestionsNotesFlashcardsSummaryFormulasQuizConceptsSyllabusPlan
Revision Notes

Fun with Numbers (Numbers 21 to 99)

CBSE · Class 1 · Mathematics

Quick revision notes for Fun with Numbers (Numbers 21 to 99) — CBSE Class 1 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

45 questions20 flashcards5 concepts

Interactive on Super Tutor

Studying Fun with Numbers (Numbers 21 to 99)? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for revision notes and more.

Try Super Tutor — Free

1,000+ Class 1 students started this chapter today

Key Topics to Revise

1

Understanding Numbers 21 to 50

  • Numbers from 21 to 50 come after 20 and before 51
  • Each number has a tens place and ones place (like 25 = 2 tens + 5 ones)
  • We can use tens frames to show these numbers clearly
2

Numbers from 51 to 99

  • Numbers from 51 to 99 are bigger than 50 but less than 100
  • They follow the same pattern: tens place + ones place
  • We can count from 51 to 60, then 61 to 70, and so on
3

Fun Activities with Numbers

  • Making snakes and ladders game with missing numbers
  • Using number cards and clips on ginladi
  • Counting objects in matchboxes (more than 50 items)

Get complete notes with diagrams and examples

Full Notes

Key Concepts

Numbers from 21 to 99Every twoA ginladi is a visual toolStarting from any numberVisual boxes arranged in groups

Frequently Asked Questions

What are the important topics in Fun with Numbers (Numbers 21 to 99) for CBSE Class 1 Mathematics?
Fun with Numbers (Numbers 21 to 99) 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 Fun with Numbers (Numbers 21 to 99) — CBSE Class 1 Mathematics?
Understand the core concepts first, then work through the 45 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 Fun with Numbers (Numbers 21 to 99)

All 13 chapters — CBSE Class 1 Mathematics Revision Notes

For serious students

Get the full Fun with Numbers (Numbers 21 to 99) chapter — for free.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for CBSE Class 1 Mathematics.

Try Super Tutor Free
Try the full chapter — Free