G1 U2 Assessment Key

Grade 1 Unit 2 Assessment Place Value and Compare Numbers

Answer Key 1.

C

2.

1.NBT.2 6.

C 1.NBT.2

C

8.

12. D 1.NBT.3

C 1.NBT.3

17.

4.

D

5.

1.NBT.2 9.

B

A 1.NBT.2

10. B

1.NBT.2 14. B

1.NBT.3 15. A

1.NBT.3

1.NBT.3

Students write 76 > 21 Students may prove the fact by drawing groups of tens and ones.

||||●●● 43 is written incorrectly and is incorrectly represented = 0 points 43 is written correctly = ½ point 43 is correctly represented with a drawing of base ten blocks = ½ point Full correct response = 1 point Use professional judgment to determine whether to accept reversals as correct responses (e.g., 3 written backwards).

1.NBT.2

B 1.NBT.2

13.

43

B 1.NBT.2

1.NBT.2

1.NBT.3 16.

3.

1.NBT.2 7.

11. A

A

Inequality is incorrect or the numbers written do not match those given in the prompt (Ex. Student writes 67 instead of 76) and the illustration incorrectly proves the inequality = 0 points Inequality is written correctly = ½ point Illustration matches the inequality written (If the student correctly wrote an inequality that did not match the prompt, award the ½ point if the illustration proves the inequality written. [Ex. Student wrote and correctly illustrated 67 > 12, which does not match the question prompt.]) = ½ point Full correct response = 1 point Use professional judgment to determine whether to accept reversals as correct responses (e.g., 7 written backwards).

1.NBT.3

Copyright © Swun Math Grade 1 Unit 2 Assessment (Answer Key), Page 1