Number Toolkit Quiz
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5 questions, one answer each
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1. Which of the following is a prime number?
- A. 9
- B. 15
- C. 17
- D. 21
2. What is the value of 4 + 3 × 5, using the correct order of operations?
- A. 35
- B. 19
- C. 23
- D. 12
3. What is -8 + 12?
- A. -20
- B. -4
- C. 4
- D. 20
4. What is (-3) × (-4)?
- A. -12
- B. -7
- C. 7
- D. 12
5. A number is described as 'cannot be written as an exact fraction of two integers'. What type of number is this?
- A. Rational
- B. Irrational
- C. Natural
- D. Integer