Understanding Factors and Multiples

This video tutorial covers the concepts of factors and multiples, explaining their significance in mathematics. It details how multiples are derived from times tables and how factors divide numbers exactly. The video also introduces the lowest common multiple (LCM) and highest common factor (HCF), providing examples and practice questions. The tutorial concludes with a summary of methods for finding LCM and HCF, hinting at more advanced techniques like prime factorization for larger numbers.

What are factors and multiples primarily associated with in mathematics?

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.4.OA.B.4

Which of the following is a multiple of 3?

• 11

• 9

• 14

• 5

Tags

CCSS.4.OA.B.4

What is a factor of 12?

• 11

• 6

• 7

• 5

Tags

CCSS.4.OA.B.4

Which number is not a factor of 36?

• 9

• 5

• 12

• 6

What does LCM stand for?

• Lowest Common Measure

• Largest Common Multiple

• Largest Common Measure

• Lowest Common Multiple

What is the LCM of 6 and 8?

• 30

• 18

• 12

• 24

What is the HCF of 18 and 24?

• 9

• 6

• 3

• 12

Which method is suggested for finding LCM and HCF of larger numbers?

• Prime Factorization

• Division

• Addition

• Subtraction

What is a quick way to remember what multiples are?

• They are like multiplication

• They are like division

• They are like addition

• They are small numbers

Tags

CCSS.4.OA.B.4

What is a quick way to remember what factors are?

• They are large numbers

• They are like fractions

• They are like addition

• They are like multiplication

Tags

CCSS.4.OA.B.4