Class 6 Maths - HARYANA
Number Play
The Chapter 'Number Play' in Class 6 Mathematics under the Haryana Board (BSEH) introduces students to fascinating patterns and properties of numbers. It helps young learners explore how numbers behave through fun puzzles, divisibility tricks, factors, and multiples. This chapter builds a strong foundation for mental math and higher-level arithmetic, which is essential for upcoming algebra and number theory topics. Mastering these concepts boosts calculation speed and logical reasoning, making it a high-scoring section in board assessments.
Start Learning FreeKey Concepts
Factors
A factor of a number is an exact divisor of that number, meaning it divides the number without leaving any remainder.
Multiples
A multiple of a number is obtained by multiplying that number by any whole number like 1, 2, 3, and so on.
Prime and Composite Numbers
Prime numbers have only two factors (1 and themselves), while composite numbers have more than two factors.
Divisibility Rules
Shortcuts like rules for 2, 3, 5, and 10 help us check if a number is completely divisible by another without doing actual division.
HCF and LCM
Highest Common Factor (HCF) is the largest common factor of two or more numbers, and Lowest Common Multiple (LCM) is the smallest common multiple.
Important Formulas
Board Exam Info
In the Haryana (BSEH) Class 6 Mathematics exams, this chapter generally carries around 6 to 8 marks. Common question types include finding factors and multiples, testing divisibility rules, calculating HCF and LCM by prime factorization, and solving simple word problems based on everyday scenarios.
Frequently Asked Questions
Is 1 a prime number?
No, 1 is neither prime nor composite because it has only one factor (itself).
How do I easily find the LCM of two numbers?
You can find the LCM by listing the multiples of both numbers until you find the smallest common one, or by using the prime factorization method.
What is the difference between a factor and a multiple?
A factor is an exact divisor of a number and is always smaller than or equal to the number. A multiple is obtained by multiplying the number and is always greater than or equal to the number.
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