Class 4 (CBSE) • MathematicsChapter 9: Equal Groups⭐ Topic 1
Multiplication of Larger Numbers
We learn to multiply bigger numbers, like a 2-digit number by another 2-digit number, using place value.
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To multiply larger numbers, like 23 x 14, we can break it down: multiply 23 by 4 (ones of 14), then 23 by 10 (tens of 14), and add the two results together.
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- We break larger multiplication into smaller steps.
- 23 x 14 = (23x4) + (23x10).
- 23 x 4 = 92, and 23 x 10 = 230.
- 92 + 230 = 322, so 23 x 14 = 322.
- This is called the distributive method.
- Breaking problems into steps makes them easier.
- This method works for any 2-digit multiplication.
- Practice prepares us for real-world problems.
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multiplication of larger numbers