G1 U3 Assessment Key

Grade 1 Unit 3 Assessment Addition

Answer Key 1.

D

2.

1.OA.5 6.

A 1.OA.6

D

4.

B

1.OA.6

D

8.

1.OA.6

C

9.

13. D

1.OA.6

10. C

1.OA.6

1.OA.6

14. B

15. A

1.OA.3

17.

C 1.OA.5

B

1.OA.6

5 + 8 = 13

5.

1.OA.6

1.OA.6

12. D

1.OA.3 16.

3.

1.OA.6 7.

11. A

B

1.OA.6

2+5=7

Illustration may vary. Sample illustration:

●●●●● + ●●●●●●●● = 13

0 1 2 3

4

5 6

7 8 9 10 11 12

Sum is incorrect and is incorrectly illustrated = 0 points

Sum is incorrect and is incorrectly illustrated = 0 points

Sum is correct = ½ point

Sum is correct = ½ point

Illustration is correct = ½ point

Sum is correctly illustrated on the number line = ½ point

Full correct response = 1 point

Full correct response = 1 point

Use professional judgment to determine whether to accept reversals as correct responses (e.g., 3 written backwards).

Use professional judgment to determine whether to accept reversals as correct responses (e.g., 7 written backwards).

1.OA.5

1.OA.6

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