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Reread to Understand is a free printable Grade 3 English worksheet on going back over a text to pin down the meaning, aligned to Common Core standard RF.3.4. It prints 2 questions with an answer key on its own sheet of paper, in 25 versions that each ask 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 22 of 25 · the same problems every time you open this link.

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

Reread to Understand

RF.3.4

NameDate

Read the text, then answer the questions.

1.Read the text, then answer the questions.

How a Windmill Grinds Flour

A windmill turns moving air into turning stone. The sails are set at a slight angle. Because of that angle, wind pushing on them cannot pass straight through, so it pushes them round instead. The sails turn a horizontal shaft. A large wooden gear on that shaft meshes with a smaller one on an upright shaft, which turns the millstones below. Because the smaller gear has fewer teeth, it spins faster than the sails do. Four turns of the sails can mean twenty turns of the stone. The grain falls between two stones. The top stone turns; the bottom one does not. The grain is crushed between them, and flour comes out at the edge.

  1. 1. What is a "shaft" in this text?
  2. 2. Which millstone turns?
  3. 3. How are the sails set?
  4. 4. What does "meshes" mean here?
2.Read the text, then answer the questions.

How a Canal Lock Works

A canal cannot run uphill. Where the land rises, engineers build a lock: a chamber with a gate at each end. A boat going uphill enters the lock through the lower gate. The gate closes behind it. Sluices in the upper gate are opened. Water flows in from the higher stretch of canal, and the boat rises with it. No pump is needed, because the water comes down by gravity. When the water inside matches the level above, the upper gate can be opened and the boat moves on. Going downhill, everything runs the other way: the water is let out, and the boat sinks with it.

  1. 1. What does "chamber" mean in this text?
  2. 2. What are opened to let the water in?
  3. 3. What is a lock?
  4. 4. What is a "sluice"?

LessonPrint · RF.3.4 · Set 22 · free to copy for classroom use

Answer key — Reread to Understand

Set 22. Prints on its own sheet.

  1. 1.1. A rod that turns and carries the movement from one part to another. 2. The top one. 3. At a slight angle. 4. The teeth of one gear fit into the teeth of the other so they turn together.
  2. 2.1. The enclosed space between the two gates that the boat sits in. 2. Sluices in the upper gate. 3. A chamber with a gate at each end, built where the land rises. 4. An opening in a gate that can be opened to let water through.

Last reviewed 2026-09-05. Aligned to RF.3.4 of the Common Core State Standards for English language arts.