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What the Diagram Adds is a free printable Grade 1 English worksheet on saying what a diagram shows that the words do not, aligned to Common Core standard RI.1.6. It prints 2 questions with an answer key on its own sheet of paper, in 25 versions, 24 of them with different questions, so no two pupils 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.

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Set 1 has all 25 in a single PDF. 24 of these 25 sets ask different questions — this skill does not have 25 questions to give. The rest reorder them, so no two pupils have the same paper in front of them.

What the Diagram Adds

RI.1.6

NameDate

Read the text, then answer the questions.

1.Read the text, then answer the questions.

Bats

Bats are the only mammals that can fly. Their wings are made of thin skin stretched between long finger bones. Most bats come out at night. They find their way by making high squeaks. The squeaks bounce off things and come back. The bat listens to the echo and knows what is ahead. Many bats eat insects. One small bat can eat a thousand insects in a night.

  1. 1. Why did the author write this text?
  2. 2. What would a diagram of a bat need to label?
2.Read the text, then answer the questions.

How a Bridge Stands Up

A bridge has to hold its own weight and the weight of everything crossing it. The simplest bridge is a beam: a flat piece laid across a gap. A beam bridge cannot be very long, or it sags in the middle. An arch bridge is curved. The curve pushes the weight out to the ends, where the ground is solid. That is why arch bridges can cross wider gaps.

  1. 1. Why did the author write this text?
  2. 2. What would a diagram for this text need to show?

LessonPrint · RI.1.6 · Set 9 · free to copy for classroom use

Answer key — What the Diagram Adds

Set 9. Prints on its own sheet.

  1. 1.1. To teach us facts about bats and how they fly and hunt. 2. The thin skin of the wing and the long finger bones inside it.
  2. 2.1. To explain how bridges hold up weight. 2. A flat beam bridge and a curved arch bridge side by side.

Last reviewed 2026-09-05. Aligned to RI.1.6 of the Common Core State Standards for English language arts.