1.
|
No. of triangle(s) |
No. of exposed sides |
|
1 |
3 |
|
2 |
4 |
|
3 |
5 |
|
4 |
6 |
|
5 |
7 |
|
6 |
8 |
|
2 points |
The student provides correct t-chart label and data for all six triangles. |
|
1 point |
The student provides correct t-chart label and data for three triangles. |
|
0 points |
The student provides incorrect label and data for more than two triangles. |
2. The relationship between the number of triangles and the number of exposed sides is the number of triangles plus two.
|
2 points |
The student correctly describes the relationship between the number of triangles and the number of exposed sides. |
|
0 points |
The student provides incorrect or no answer. |
3.
|
2 points |
The student writes t + 2 to show the number of exposed sides. |
|
0 points |
The student provides incorrect or no answer. |
4a.
|
2 points |
The student identifies 22 as the number of sides and uses 20 + 2 as the process. |
|
1 point |
The student identifies 22 as the number of sides or uses 20 + 2 as the process. |
|
0 points |
The student provides incorrect or no answers. |
4b.
|
2 points |
The student identifies 37 as the number of sides and uses 35 + 2 as the process. |
|
1 point |
The student identifies 37 as the number of sides or uses 35 + 2 as the process. |
|
0 points |
The student provides incorrect or no answers. |
5. (1, 3) (2, 4) (3, 5) (4, 6) (5, 7) (6, 8)
|
2 points |
The student correctly lists all six ordered pairs. |
|
1 point |
The student correctly lists three of the six ordered pairs. |
|
0 points |
The student correctly lists less than three ordered pairs. |
6.
|
4 points |
The student provides correct responses for title, labels for x- and y-axes, consistent scale for x- and y-axes, and six plot points. |
|
3 points |
The student provides correct responses for title, labels for x- and y-axes, consistent scale for x- and y-axes, and five plot points. |
|
2 points |
The student provides correct responses for three of the six items listed above. |
|
1 point |
The student provides correct responses for two of the six items listed above. |
|
0 points |
The student provides correct responses for less than two of the six items listed above. |