Subtraction
ICSE · Class 4 · Mathematics
Summary of Subtraction for ICSE Class 4 Mathematics. Key concepts, important points, and chapter overview.
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Overview
Subtraction is one of the most important basic operations in mathematics. It helps us find the difference between two numbers. In real life, we use subtraction when we spend money, eat fruits from a basket, or calculate how much time is left for an event. This chapter teaches Class 4 students how to
Key Concepts
The number from which we subtract
The number from which we subtract is called the minuend. The number being subtracted is the subtrahend. The result is called the difference. For examp
To subtract large numbers
To subtract large numbers, write them in columns (ones under ones, tens under tens, etc.) and subtract from right to left. If a digit in the minuend i
When any number is subtracted from
When any number is subtracted from itself, the answer is always zero. For example, 7,37,150 – 7,37,150 = 0.
Unlike addition
Unlike addition, changing the order of numbers in subtraction changes the answer. For example, 10 – 5 = 5, but 5 – 10 is not the same.
Learning Objectives
- Understand the concept of subtraction and its real-life applications
- Identify and use the terms: minuend, subtrahend, and difference
- Subtract large numbers with and without borrowing
- Solve word problems based on subtraction
- Apply subtraction to find missing numbers in sums
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