BTC Maths Formal Homework 1 - Multiples, Factors and Primes

What are the first 6 multiples of 8?

Which of the following lists shows all the factors of 10?

• 10, 20, 30, 40, 50,

• 2, 5

• 1, 2, 5, 10

• 2, 5, 10

Which of the following lists shows all the factors of 30?

• 1, 30, 2, 15, 3, 10, 5, 6

• 1, 2, 5, 6, 10, 30

• 2, 5, 6, 10, 15, 30

• 2, 15, 3, 10, 5, 6

Which of the following numbers is PRIME?

• 15

• 7

• 32

• 18

Which of the following numbers is PRIME?

• 77

• 81

• 83

• 64

Which TWO of the following numbers are NOT PRIME?

• 17

• 35

• 5

• 23

• 16

What is the third Square Number?

What is the value of 7 squared?

What is the value of 9 squared?

What is the square of 6?