Item: tExtendOtherRecursive3a
Stem:
Extend the following sequence by giving the next two terms:
1, 5, 12, 22, 35, ...
Inputs:
- Enter your answers here:
- and
Key:
- Observable: 51,
70.
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. For problems like these, you need to find the
pattern based on the differences between all the pairs of numbers.
The pattern here was that the difference between
each pair of numbers started at 4, then 3 was successively added to the difference.
The correct numbers are 51 and 70.
-
Teacher:The student got this item incorrect.
Metadata:
Item Node: tExtendOtherRecursive3a,
Difficulty: 3.
Proficiencies: ExtendOtherRecursive.