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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 14 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 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 are opened to let the water in?
  2. 2. What is a lock?
  3. 3. What is a "sluice"?
  4. 4. What does "chamber" mean in this text?
2.Read the text, then answer the questions.

The Salmon's Return

A salmon hatches in a river, swims to the sea, and comes back years later to the river it was born in. It finds its way home by smell. Every river carries its own mixture of soil, rock and plants, and a young salmon learns that smell before it leaves. The return journey is upstream. The fish leap waterfalls, sometimes several metres high, and they do not eat once they enter fresh water. Because it is not feeding, a salmon uses up its own body on the climb. By the time it reaches the gravel where it hatched, it is thin and worn. There it lays its eggs. Most Atlantic salmon die soon afterwards.

  1. 1. What is "gravel" here?
  2. 2. Where does a salmon hatch?
  3. 3. What does "upstream" mean?
  4. 4. How does it find its way home?

LessonPrint · RF.3.4 · Set 14 · free to copy for classroom use

Answer key — Reread to Understand

Set 14. Prints on its own sheet.

  1. 1.1. Sluices in the upper gate. 2. A chamber with a gate at each end, built where the land rises. 3. An opening in a gate that can be opened to let water through. 4. The enclosed space between the two gates that the boat sits in.
  2. 2.1. The small stones on a riverbed where salmon lay their eggs. 2. In a river, in gravel. 3. Against the current, towards the source of the river. 4. By smell.

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