Factors

Open Ended

What are factors?

Multiple Choice

Which of the following is NOT a factor of 10?

• 1

• 2

• 5

• 3

Multiple Select

Which of the following are factors of 20?

• 2

• 4

• 6

• 10

Open Ended

Mr Chen wants to pack 30 oranges into boxes. Each box contains the same number of oranges. How many different ways can he pack the oranges?

Multiple Choice

Which of the following numbers is NOT a factor of 30?

• 4

• 5

• 6

• 10

Multiple Select

Select all the pairs of numbers that multiply to give 30.

• 1 and 30

• 2 and 15

• 4 and 8

• 3 and 10

Multiple Choice

Which of the following statements are true about even numbers?

• All even numbers are divisible by 2.

• Even numbers cannot be grouped in twos.

• Even numbers always end in 1, 3, 5, 7, or 9.

• Even numbers are not divisible by 2.

Multiple Choice

What question do we ask to check if 5 is a factor of 80?

• Is 80 divisible by 5?

• Is 5 greater than 80?

• Is 80 a multiple of 10?

• Is 5 a prime number?

Multiple Choice

Which of the following are common factors of both 20 and 30?

• 1, 2, 5, 10

• 2, 4, 8, 20

• 1, 3, 5, 15

• 2, 5, 6, 30

Open Ended

Explain how to find the common factors of two numbers using the examples of 12 and 15, and 20 and 30.

Open Ended

What is the definition of common factors based on the examples of 12 and 15?

Open Ended

After learning about factors, do you have any questions or topics you would like to explore further?

Open Ended

What is one thing you learned today about factors and multiples that you found interesting or useful?