Subtraction — Study Plan
ICSE · Class 1 · Mathematics
A step-by-step study plan for Subtraction, ICSE Class 1 Mathematics: what to learn first, what to practise and when to revise.
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Study Plan
Learn the Theory
Read the textbook chapter carefully. Note down definitions, formulas and key ideas. Focus on: What is Subtraction?, Methods of Subtraction, Types of Subtraction Problems.
Practise
Solve the textbook exercises and extra practice questions. There are 133 questions available for this chapter.
Revise & Test
Revise key points without looking at your notes. Take a practice quiz and mark weak areas for another pass.
Spaced Revision
Come back to Subtraction after a week. Use flashcards for quick recall and try past exam questions on this chapter.
What to Focus On
- Subtraction means taking away.
- We use the minus sign (−) for subtraction.
- The answer in subtraction is called the difference.
- Count backward from the bigger number.
- Each step backward means subtracting 1.
- Use fingers or a number line to help count.
- Draw all objects first.
- Cross out the number being subtracted.
- Count the uncrossed objects to get the answer.
Memory Tips
What is subtraction?
The minus sign (−)
Counting backward for subtraction
Difference in subtraction
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Subtraction
Practice Quiz
Test yourself with a quick quiz
Important Questions
Exam-style questions with answers
Revision Notes
Key points for last-minute revision
Formula Sheet
The chapter's formulas in one place
Chapter Summary
Understand the chapter at a glance
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
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