Class 4 Maths - ICSE
Multiplication
In Class 4 ICSE Mathematics, the chapter on Multiplication builds upon the basic addition concepts learned earlier. Students learn to multiply 3-digit and 4-digit numbers by 1-digit and 2-digit numbers using standard algorithms. The chapter introduces important properties of multiplication such as the commutative property, associative property, and multiplication by zero and one. Mastering multiplication tables up to 12 or 15 is heavily emphasized. This chapter is vital for ICSE board exams as it forms the foundational building block for advanced topics like division, fractions, area calculations, and complex word problems in higher classes.
Start Learning FreeKey Concepts
Multiplication as Repeated Addition
Multiplying two numbers is a quick way of adding the same number multiple times, such as 4 times 3 equals 3 plus 3 plus 3 plus 3.
Properties of Multiplication
The order of numbers does not change the product (e.g., 5 times 4 is the same as 4 times 5), and any number multiplied by 1 is the number itself.
Multiplication by 10, 100, and 1000
To multiply a number by 10, 100, or 1000, simply add one, two, or three zeros to the right of the original number.
Multiplication of Larger Numbers
Process of multiplying 3-digit or 4-digit numbers by 2-digit numbers column-wise, moving from ones to tens place with proper regrouping or carrying over.
Word Problems
Practical application questions where students identify key multiplication clues like 'each', 'altogether', or 'total' to solve real-life scenarios.
Important Formulas
Board Exam Info
In ICSE Class 4 Mathematics, the Multiplication chapter usually carries around 8 to 12 marks in the final exam. Common question types include direct calculation sums (column multiplication), fill-in-the-blanks based on properties, mental math involving multiples of 10 and 100, and 2-step word problems.
Frequently Asked Questions
Why do we leave a space or put a zero when multiplying by the tens digit?
We put a zero or leave a space because we are actually multiplying by a multiple of 10, which shifts the value one place to the left.
How can I memorize multiplication tables easily?
Daily practice, reciting tables aloud, playing math games, and understanding that multiplication is just repeated addition will help you remember them quickly.
What is the difference between a multiplicand and a multiplier?
The multiplicand is the number being multiplied, and the multiplier is the number you are multiplying by. The result is called the product.
Learn Multiplication with Your AI Tutor
10 different ways to study this chapter. Free for 3 chapters per day.
Lecture
Key Points
Interactive
Quiz
Flashcards