Item: tExtendArithmetic1a
Stem:
Extend the following sequence by giving the next two terms:
7, 13, 19, 25, 31, ...
Inputs:
- Enter your answer here:
- and
Key:
- Observable: 37,
43.
Score: 1;
Evidence Value: 1.
-
Student:Right!
-
Teacher:The student got this item correct.
- Observable: .
Score: 0;
Evidence Value: 0.
-
Student:Sorry, that was incorrect. In this problem, the
common difference is 6, so the next two numbers in the series of 7, 13, 19, 31
are: 37 and 43.
-
Teacher:The student got this item incorrect.
Metadata:
Item Node: tExtendArithmetic1a,
Difficulty: 1.
Proficiencies: ExtendArithmetic.