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Main Ideas from What You Heard is a free printable Grade 3 English worksheet on pulling the main ideas out of something presented, aligned to Common Core standard SL.3.2. 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 13 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.

Main Ideas from What You Heard

SL.3.2

NameDate

Read the text, then answer the questions.

1.Read the text, then answer the questions.

How Braille Was Invented

Louis Braille was blinded in an accident at the age of three. At his school, blind pupils read by tracing raised letters pressed into paper. It worked, slowly — a fingertip cannot take in a whole letter shape at once — and nobody could write that way at all. When Braille was twelve, a soldier visited the school with a code of raised dots that soldiers used to read messages in the dark. It was too complicated, but the idea of dots was right. Braille spent three years simplifying it. He settled on a cell of six dots, small enough to sit under one fingertip. He was fifteen when he finished. He was forty-three when he died, and the system was not widely accepted until after that.

  1. 1. How old was Louis Braille when he lost his sight?
  2. 2. How many dots are in a braille cell?
  3. 3. What is the main idea of this text, and which details support it?
2.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 the main idea of this text, and which details support it?
  2. 2. Which millstone turns?
  3. 3. Where does the flour come out?

LessonPrint · SL.3.2 · Set 13 · free to copy for classroom use

Answer key — Main Ideas from What You Heard

Set 13. Prints on its own sheet.

  1. 1.1. Three. 2. Six. 3. Braille invented a readable and writable system of six dots — supported by the failure of raised letters and the soldier's code.
  2. 2.1. A windmill turns wind into grinding — supported by the angled sails, the gears and the millstones. 2. The top one. 3. At the edge of the stones.

More practice for SL.3.2

Pick out the main ideas and details from something you heard or saw.

Teaching this next? Getting the Main Ideas From Listening is the 40-minute plan for it, with the misconceptions to expect.

All Grade 3 worksheets

Last reviewed 2026-09-05. Aligned to SL.3.2 of the Common Core State Standards for English language arts.