1. HARD

Which of the following best expresses this pattern in words? 1, 2, 4, 8, 16...

  1. It is a numeric pattern starting on 1 and each term is a multiple of 2.
  2. It is a numeric pattern starting on 1 and each term is larger than the previous.
  3. It is a numeric pattern starting on 1 and each term is double the previous.
  4. It is a numeric pattern and each term is half the previous.
  5. It is a repeating pattern with repeating unit 1, 2, 4, 8, 16.
 
2. HARD

Which of the following best expresses the following pattern in words? 40, 20, 10, 5...

  1. It is a numeric pattern beginning on 40, and each term is half the previous.
  2. It is a numeric pattern and each term is half the previous.
  3. It is a numeric pattern and each term is twice the previous.
  4. It is a numeric pattern starting on 40 and each term is twice the previous.
  5. It is a geometric pattern starting on 40 and each term is twice the previous.