Answer Key All questions are worth 1 point unless otherwise noted. 1.
2.
3.
4.
5.
B
C
D
A
C
2.NBT.7
2.NBT.7
2.NBT.7
2.NBT.5
2.NBT.5
6.
7.
8.
9.
10.
B
C
AB
C
D
2.NBT.5
2.NBT.7
2.NBT.7
2.NBT.5
2.NBT.5
11.
12.
13.
14.
15.
D
AC
C
B
D
2.NBT.7
2.NBT.7
2.NBT.5
2.NBT.7
2.NBT.5
16. 2 points: Student correctly solves the problem and shows accurate work. The student may solve using strategies, models, or the algorithm. 618 –446 172 2 points: Student correctly proves the solution with addition and shows accurate work. Student may support their addition with strategies or models. 172 446 + 4 4 6 or + 1 7 2 618 618 2.NBT.7