Composite and Prime Numbers Assessment

The video tutorial introduces the concept of prime and composite numbers, focusing on a problem from the 2021 released STAR test. It explains the difference between prime and composite numbers, identifies numbers between 30 and 50, and analyzes specific numbers to determine their classification. The tutorial concludes with the identification of the missing prime number, 43, from a given list.

What is the main topic of the video tutorial?

• Understanding fractions

• Solving algebraic equations

• Identifying prime and composite numbers

• Learning about geometry

Which standard is being addressed in this lesson?

• Standard 4.3 B

• Standard 3.1 D

• Standard 6.2 C

• Standard 5.4 A

What is a prime number?

• A number with three or more factors

• A number with only two factors: 1 and itself

• A number that is odd

• A number that is even

What is a composite number?

• A number with three or more factors

• A number that is odd

• A number with only two factors

• A number that is prime

What is the only even prime number?

• 8

• 6

• 4

• 2

Which of the following numbers is prime?

• 35

• 32

• 31

• 40

Which of the following numbers is composite?

• 41

• 35

• 37

• 43

What is the missing prime number between 30 and 50?

• 49

• 33

• 43

• 39

Which number is a multiple of 5 and composite?

• 41

• 31

• 37

• 35

What is the divisibility rule for 3?

• Check if the number is even

• Add the digits and check if the sum is divisible by 5

• Check if the number ends in 0 or 5

• Add the digits and check if the sum is divisible by 3