Divisibility Rules 2

The video tutorial explores the concepts of factors and multiples using fish arrangements and conical fish tanks. It explains how to arrange fish in rows with equal numbers, identifies factors of numbers, and introduces perfect numbers. The tutorial also covers finding multiples and demonstrates these concepts through practical examples.

How many ways can 8 fish be arranged in rows with equal numbers?

• Three

• Four

• Two

• Five

Which of the following is a factor of 8?

• 3

• 5

• 6

• 4

What is the first step in finding factors of a number?

• Multiply by 2

• Add 2

• Divide by 1

• Subtract 1

Which number is a perfect number?

• 36

• 6

• 24

• 10

What is the next perfect number after 28?

• 496

• 100

• 64

• 128

How many fish can be housed in 5 conical tanks if each holds 3 fish?

• 12

• 20

• 15

• 18

What is a multiple of 3?

• 9

• 7

• 11

• 13

Which of the following is NOT a multiple of 4?

• 18

• 16

• 12

• 8

What is the relationship between factors and multiples?

• Factors divide exactly

• Multiples divide exactly

• Multiples are smaller

• Factors are larger

How do you find multiples of a number?

• Divide by 2

• Multiply by natural numbers

• Add 5

• Subtract 1