Math
Spring Operational 2015
Grade 4
PBA Item #16
Tubes of Paint
M02320
Prompt
Task is worth a total of 3 points.
Rubric
M02320 Rubric
Score Description
3
Student response includes the following 3 elements.
• Computation component = 2 points
o Correct amount of paint used for 1 shirt, 2 ounce.
3
o Correct amount of paint used for the poster and 2 shirts,
10 ounces or equivalent.
3
•
Modeling component = 1 point
o Valid work or explanation for both the amount of paint
used for 1 shirt and for the amount of paint used for the
poster and 2 shirts.
Sample Student Response:
I found the number of tubes used for each shirt by figuring out
what number times 3 is equal to 6. Since 3 × 2 =
6, I now know
that for each shirt, 2 tubes are used. To find the number of ounces in
2 . To find the number of ounces used for
2 tubes, I solved 2 × 1 =
3
3
6 . For the total number of ounces used
1 poster, I solved 6 × 1 =
3
3
10 . So the total
for 1 poster and 2 shirts, I added 2 + 2 + 6 =
3
3
3
3
number of ounces used for the poster and 2 shirts is 10 .
3
Notes:
• Student may earn the computation point for an incorrect
amount of paint used for the poster and 2 shirts if it is based
on an incorrect amount of paint used for 1 shirt with the
correct work shown.
•
2
1
0
Student may earn the modeling point even if computation is
incorrect as long as he or she shows valid work or
explanation.
Student response includes 2 of the 3 elements.
Student response includes 1 of the 3 elements.
Student response is incorrect or irrelevant.
Anchor Set
A1 – A8
A1
Score Point 3
Annotations
Anchor Paper 1
Score Point 3
This response receives full credit. The response includes all of the three required elements:
•
The response provides the correct amount of paint used for 1 shirt ( 32 )
•
The response provides the correct amount of paint used for the poster and 2 shirts
)
( 10
3
•
The response provides valid work or explanation for the amount of paint used for 1
shirt(
1 1
+
3 3
( 32 + 32 + 63
10
=
3
is
2
3
) and for the amount of paint used for the poster and two shirts
)
Note: Work does not need to be shown for how to determine the number of ounces of paint
used for the poster ( 63 )
A2
Score Point 3
Annotations
Anchor Paper 2
Score Point 3
This response receives full credit. The response includes all of the three required elements:
•
The response provides the correct amount of paint used for 1 shirt ( 32 ).
•
The response provides the correct amount of paint used for the poster and 2 shirts
(3 13 ).
•
The response provides valid work or explanation for the amount of paint used for 1
shirt (It is 2/ 3 because 6 ÷ 3 = 2) and for the amount of paint used for the poster and 2
shirts (because one poster is
6
3
or 2, two shirts are
4
3
and you add those to get 3 13 ).
A3
Score Point 2
Annotations
Anchor Paper 3
Score Point 2
This response receives partial credit. The response includes two of the three required
elements:
•
The response provides the correct amount of paint used for 1 shirt ( 32 )
•
The response provides the correct amount of paint used for the poster and 2 shirts (
10
3
or 3 13 ).
The response does not provide valid work or explanation for the given answers.
A4
Score Point 2
Annotations
Anchor Paper 4
Score Point 2
This response receives partial credit. The response includes two of the three required
elements:
•
The response provides the correct amount of paint used for 1 shirt ( 32 ).
•
The response provides the correct amount of paint used for the poster and 2 shirts
(3 13 ).
The response does not provide valid work or explanation for the given answers.
A5
Score Point 1
Annotations
Anchor Paper 5
Score Point 1
This response receives partial credit. The response includes one of the three required
elements:
•
The response provides the correct amount of paint used for the poster and 2 shirts
(3 13 ).
The response does not provide the correct amount of paint used for 1 shirt.
The response does not provide valid work or explanation for the given answer.
A6
Score Point 1
Annotations
Anchor Paper 6
Score Point 1
This response receives partial credit. The response includes one of the three required
elements:
•
2
The response provides the correct amount of paint used for 1 shirt ( 3 ).
The response does not provide the correct amount of paint used for the poster and 2 shirts.
The response does not provide valid work or explanation for the amount of paint used for the
poster and 2 shirts. Valid work or a valid explanation must be provided for both answers to
receive credit for this element.
A7
Score Point 0
Annotations
Anchor Paper 7
Score Point 0
This response receives no credit. The response includes none of the three required
elements:
The response does not provide the correct amount of paint used for 1 shirt.
The response does not provide the correct amount of paint, in ounces, used for the poster
and 2 shirts (10 tubes). Ten tubes of paint is the correct number of tubes needed for the
poster and 2 shirts, but the answer must provide the total number of ounces as specified in
the prompt.
The response does not provide valid work or explanations.
A8
Score Point 0
Annotations
Anchor Paper 8
Score Point 0
This response receives no credit. The response includes none of the three required
elements:
The response does not provide a correct amount of paint used for 1 shirt (2 ounces).
The response does not provide a correct amount of paint used for the poster and 2 shirts (3
ounces).
The response does not provide valid work or explanations.
Practice Set
P101 - P105
P101
P102
P103
P104
P105
Practice Set
Paper
Score
P101
2
P102
1
P103
2
P104
3
P105
1