Item: tVerbalRuleExtendArithmetic3a

Stem:

The numbers in the sequence 2, 7, 12, 17, 22, ... increase by fives.

The numbers in the sequence 3, 10, 17, 24, 31, ... increase by sevens.

The number 17 occurs in both sequences.

If the two sequences are continued, what is the next number that will be seen in both sequences?

Inputs:

1. Enter your answer here:

Key:

• Observable: 52. Score: 1; Evidence Value: 1.
  • Student:Your answer, 52, is correct. Good job!
  • Teacher:The student go this item correct.
• Observable: 87. Score: 0; Evidence Value: 0.
  • Student:You are correct that 87 appears in both sequences, but it's not the NEXT number the two lists have in common. But you were close!
  • Teacher:Student didn't see the earlier number the two lists of have in common.
• Observable: . Score: 0; Evidence Value: 0.
  • Student:Sorry, that's not right. Make sure you're extending both lists according to the rules, until you find the next common number.
  • Teacher:The student got this item incorrect.

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