What is the tenth number in the pattern below?
1, 3, 4, 12, 13, 39, 40
A) 360
B) 363 (Correct Answer)
C) 123
D) 121
Explanation:
The rule for this pattern could be described: “Multiply by 3. Add 1.” Continuing the pattern using this rule, the 8th term would be 120 (40 * 3), the 9th term would be 121 (120+1), and the 10th term would be 363 (121 * 3).
Related Common Core State Standard: Statistics and Probability 8.SP.1
