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- 1. Multiple Choice
What are the factors of 24?
1, 3, 5, 7, 9, 11, 13, 15
1, 2, 5, 8, 10, 12, 15, 24
2, 4, 6, 8, 10, 12, 14, 24
1, 2, 3, 4, 6, 8, 12, 24
- 2. Multiple Choice
Find the prime factors of 56.
4, 14
2, 7
5, 11
3, 8
- 3. Multiple Choice
Explain the concept of factorisation.
Factorisation involves dividing terms in an expression.
Factorisation is the process of adding terms in an expression.
Factorisation is only applicable to numerical expressions.
Factorisation involves finding the common factors of the terms in the expression and expressing the expression as a product of these factors.
- 4. Multiple Choice
Apply prime factorisation to the number 72.
2^3 * 3^2
2^5 * 3^0
2^4 * 3^1
2^2 * 3^3
- 5. Multiple Choice
Solve the problem: If the factors of a number are 1, 2, 4, 8, what is the number?
32
128
16
64
- 6. Multiple Choice
Is 17 a prime number? Why or why not?
Maybe
Yes
Sometimes
No
- 7. Multiple Choice
Identify the factors of 45.
1, 3, 5, 9, 15, 45
12
2
6
- 8. Multiple Choice
Calculate the prime factors of 90.
2, 4, 6
3, 6, 9
2, 3, 5
5, 10, 15
- 9. Multiple Choice
How can you determine if a number is prime?
See if the number ends in 5
Check if the number is even
Verify if the number is a multiple of 3
Check if the number is greater than 1 and not divisible by any integer from 2 to the square root of the number.
- 10. Multiple Choice
If the factors of a number are 1, 3, 9, 27, what is the number?
81
243
512
729
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