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Infer from the Evidence is a free printable Grade 5 English worksheet on drawing a conclusion the text supports but does not state, aligned to Common Core standard RI.5.1. It prints 2 questions with an answer key on its own sheet of paper, in 25 versions, 23 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 15 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. 23 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.

Infer from the Evidence

RI.5.1

NameDate

Read the text, then answer the questions.

1.Read the text, then answer the questions.

Why the Rails Are That Far Apart

Standard gauge is 4 feet 8½ inches. It is a strange number, and the reason is historical rather than engineering. Early railways were built by people who had built tramways for collieries, and those had used the wheel spacing of the carts already in use. Nobody chose it; it was inherited. Isambard Kingdom Brunel did choose. He built the Great Western at 7 feet ¼ inch, and by most measures it was better: faster, steadier, and able to carry more. He lost anyway. By the 1840s, more of the network was already standard gauge, and a train cannot run on a track it does not fit. Parliament settled it in 1846. Between 1846 and 1892 the Great Western converted its entire route. The final conversion took a single weekend and about four thousand men. The best design does not always win. The one that connects to everything else does.

  1. 1. Why does the text say nobody chose standard gauge?
2.Read the text, then answer the questions.

How a Vaccine Teaches the Body

Your immune system learns. Meet a disease once and, if you survive it, you are usually protected afterwards. A vaccine gives the lesson without the disease. The method is old. In eighteenth-century Britain, milkmaids were known not to catch smallpox. Edward Jenner reasoned that the cowpox they caught from cattle was protecting them, and in 1796 he tested it on a boy — a procedure no ethics committee would permit now. A modern vaccine shows the immune system a harmless piece of a pathogen: a killed virus, a weakened one, or a single protein from its surface. The body makes antibodies against that piece, and keeps the recipe. Because the recipe is kept, the real pathogen is met by a defence already in place. There is a second effect. If enough people are immune, the pathogen cannot find a chain of hosts, so those who cannot be vaccinated are protected too. That effect fails below a threshold, which is why coverage rather than availability is what matters.

  1. 1. Why does the text mention that no ethics committee would permit Jenner's test?

LessonPrint · RI.5.1 · Set 15 · free to copy for classroom use

Answer key — Infer from the Evidence

Set 15. Prints on its own sheet.

  1. 1.1. Because it came from cart wheel spacing that was already in use before railways existed.
  2. 2.1. To be honest that the method's origin would be unacceptable today, without discarding the science.

Last reviewed 2026-09-05. Aligned to RI.5.1 of the Common Core State Standards for English language arts.