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Add Audio and Visuals is a free printable Grade 4 English worksheet on choosing where a visual develops the main idea, aligned to Common Core standard SL.4.5. It prints 2 questions with an answer key on its own sheet of paper, in 25 versions, 22 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 17 of 25 · the same problems every time you open this link.

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One paper per pupil

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Set 1 has all 25 in a single PDF. 22 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.

Add Audio and Visuals

SL.4.5

NameDate

Read the text, then answer the questions.

1.Read the text, then answer the questions.

What a Coral Reef Is

A coral reef looks like rock and is built by animals. A coral polyp is a soft creature the size of a pinhead. It draws calcium from the sea water and builds a hard cup around itself. Millions of polyps, cup upon cup, become a reef. Inside each polyp live tiny algae. The algae make food from sunlight and pass most of it to the polyp. In exchange they get shelter and the polyp's waste. Neither could build a reef alone. When the water gets too warm, the polyps expel the algae. Without them the coral turns white and starves. That is what bleaching means. A reef takes centuries to build and can bleach in a single hot summer.

  1. 1. Determine the main idea of this text and explain how key details support it.
  2. 2. What would a diagram of a polyp need to label?
2.Read the text, then answer the questions.

How Penicillin Was Found

In 1928 Alexander Fleming went on holiday and left a stack of dishes on a bench. Each held a colony of bacteria. When he came back, one dish had a spot of mould on it. Around the mould was a clear ring where the bacteria had died. Fleming realised the mould was producing something that killed bacteria. He named it penicillin and published a paper. Almost nobody noticed. Ten years later, Howard Florey and Ernst Chain read that paper and tried to make penicillin in quantity. That turned out to be the hard part: it took two thousand litres of mould fluid to treat one patient. By 1944 the problem had been solved and penicillin was reaching soldiers in the field.

  1. 1. What would a photograph accompanying this text most usefully show?
  2. 2. Determine the main idea of this text and explain how key details support it.

LessonPrint · SL.4.5 · Set 17 · free to copy for classroom use

Answer key — Add Audio and Visuals

Set 17. Prints on its own sheet.

  1. 1.1. A reef is built by a partnership of two organisms — supported by the exchange between polyp and algae and by what bleaching is. 2. The soft polyp, the hard calcium cup and the algae living inside it.
  2. 2.1. A dish with a mould spot and the clear ring around it. 2. Discovering penicillin was only the start — the details about Florey, Chain and two thousand litres show that making it usable was the real work.

More practice for SL.4.5

Add audio and visuals to a talk where they strengthen the idea.

Teaching this next? Audio and Visuals in a Presentation is the 40-minute plan for it, with the misconceptions to expect.

All Grade 4 worksheets

Last reviewed 2026-09-05. Aligned to SL.4.5 of the Common Core State Standards for English language arts.