Which Attribute Matters? is a free printable Grade 1 math worksheet on distinguishing defining from non-defining attributes, aligned to Common Core standard 1.G.A.1. It prints 10 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 9 of 25 · the same problems every time you open this link.

One paper per student

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Which Attribute Matters?

1.G.A.1

NameDate

Write yes or no.

1.A square is made much smaller. Is it still a square?

2.A hexagon is made much bigger. Is it still a hexagon?

3.A triangle has one more side added. Is it still a triangle?

4.A rectangle is colored red. Is it still a rectangle?

5.A hexagon is moved to the other side of the page. Is it still a hexagon?

6.A rectangle has one corner cut off. Is it still a rectangle?

7.A hexagon has one side made curved. Is it still a hexagon?

8.A rectangle is moved to the other side of the page. Is it still a rectangle?

9.A rectangle has one side made curved. Is it still a rectangle?

10.A hexagon has one more side added. Is it still a hexagon?

LessonPrint · 1.G.A.1 · Set 9 · free to copy for classroom use

Answer key — Which Attribute Matters?

Set 9. Prints on its own sheet.

1.yes
2.yes
3.no
4.yes
5.yes
6.no
7.no
8.yes
9.no
10.no

Last reviewed 2026-09-05. Aligned to 1.G.A.1 of the Common Core State Standards for Mathematics.