Mathematics – Grade 8 Practice Test Answer and Alignment ...
嚜燐athematics 每 Grade 8
Practice Test Answer and Alignment Document
Online ABO
The following pages include the answer key for all machine-scored items, followed by
the rubrics for the hand-scored items.
? The rubrics show sample student responses. Other valid methods for solving
the problem can earn full credit unless a specific method is required by the
item.
? In items where the scores are awarded for full and partial credit, the definition
of partial credit will be confirmed during range-finding (reviewing sets of real
student work).
? If students make a computation error, they can still earn points for reasoning
or modeling.
Unit 1
Item
Number
Answer Key
Evidence
Statement
Key/Content
Scope
The response is correct as long as 8 and 10 are input
values and 1 and 5 are output values. For example:
1.
2.
8.F.1-1
?1
8.EE.7.b
Grade 8 Mathematics Online ABO Practice Test 每 Answer and Alignment Document
1
3.
8.F.5-1
4.
8.NS.2
5.
C
8.EE.2
6.
(10, ?2)
8.EE.8b-1
7.
8.F.3-2
8.
8.EE.8a
9.
10.
D
8.NS.1
A, C, F
8.G.1a
Part A:
11.
12.
8.G.2
Part B:
There are multiple correct responses. For example:
8.F.1-2
Grade 8 Mathematics Online ABO Practice Test 每 Answer and Alignment Document
2
13.
8.EE.1
B, E
14.
8.EE.8b-2
15.
A
8.SP.2
16.
300
8.EE.3
Unit 2
Item
Number
Answer Key
Evidence
Statement
Key/Content
Scope
Grade 8 Mathematics Online ABO Practice Test 每 Answer and Alignment Document
3
1.
8.EE.5-1
2.
Part A: D
Part B: 4.5 or equivalent
8.EE.C.Int.1
3.
See rubric
8.D.3/8.EE.5
4.
5.
Part A: see rubric
Part B: see rubric
Part A: B
8.C.3.3/8.G.5
Part B: 1
8.G.9
Part A: C
Part B: see rubric
Part C: see rubric
8.C.6/7.EE.1
3
6.
Unit 3
Item
Number
1.
Answer Key
Evidence
Statement
Key/Content
Scope
8.G.7-1
12
2.
8.EE.5-2
3.
Part A: C
Part B: 8
8.SP.3
4.
See rubric
8.D.1/8.EE.5
5.
Part A: A, E
Part B: see rubric
8.C.1.2/8.EE.8
6.
A, B, C, E
8.EE.6-1
Grade 8 Mathematics Online ABO Practice Test 每 Answer and Alignment Document
4
7.
Part A: see rubric
Part B: see rubric
8.
8.D.2/7.RP.3 and
7.EE.3
8.F.2
Rubrics start on the next page.
Grade 8 Mathematics Online ABO Practice Test 每 Answer and Alignment Document
5
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