Item: tTableExtendArithmetic2a
Stimulus:
| Term Number |
Term Value |
| 1 |
2.00 |
| 2 |
5.45 |
| 3 |
A |
| 4 |
B |
Stem:
The numbers in the table represent terms in an arithmetic sequence.
Complete the table by filling in the values for A and B.
Inputs:
- Enter the value for A:
- Enter the value for B:
Key:
- Observable: 8.90,
12.35.
Score: 1;
Evidence Value: 1.
-
Student:Right!
-
Teacher:The student got this item correct.
- Observable: .
Score: 0;
Evidence Value: 0.
-
Student:Sorry that's not right. In problems like this, you need to find
the common difference and add it to the last given number the right
number of times. The common difference here is 3.45, and the correct value
for A is 8.90 and for B is 12.35.
-
Teacher:The student didn't get this one right.
Metadata:
Item Node: tTableExtendArithmetic2a,
Difficulty: 2.
Proficiencies: TableArithmetic,
ExtendArithmetic.