G1 U11 Assessment Key
Grade 1 Unit 11 Assessment Addition and Subtraction
Answer Key All questions are worth 1 point unless otherwise noted. 1.
2.
3.
4.
5.
C
D
A
AB
C
1.NBT.4
1.NBT.4
1.NBT.4
1.NBT.4
1.NBT.5
6.
7.
8.
9.
10.
B
A
B
B
B
1.NBT.5
1.NBT.6
1.NBT.6
1.OA.7
1.OA.7
11.
12.
13.
14.
D
E
A
B
1.NBT.4
1.NBT.5
1.NBT.6
1.OA.7
15. 2 points: Student applies a strategy (by drawing a number line or base ten blocks, or by decomposing the greater addend) and finds the correct answer. 74 Sample strategy:
6 5 60 + 5 +
9
+ 9 60 + 14 = 74 1.NBT.4
Copyright © Swun Math Grade 1 Unit 11 Assessment (Answer Key)
Answer Key All questions are worth 1 point unless otherwise noted. 1.
2.
3.
4.
5.
C
D
A
AB
C
1.NBT.4
1.NBT.4
1.NBT.4
1.NBT.4
1.NBT.5
6.
7.
8.
9.
10.
B
A
B
B
B
1.NBT.5
1.NBT.6
1.NBT.6
1.OA.7
1.OA.7
11.
12.
13.
14.
D
E
A
B
1.NBT.4
1.NBT.5
1.NBT.6
1.OA.7
15. 2 points: Student applies a strategy (by drawing a number line or base ten blocks, or by decomposing the greater addend) and finds the correct answer. 74 Sample strategy:
6 5 60 + 5 +
9
+ 9 60 + 14 = 74 1.NBT.4
Copyright © Swun Math Grade 1 Unit 11 Assessment (Answer Key)
