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Which Reasons Support Which Point is a free printable Grade 5 English worksheet on matching each piece of evidence to the claim it serves, aligned to Common Core standard RI.5.8. It prints 2 questions with an answer key on its own sheet of paper, in 25 versions, 20 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 12 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. 20 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.

Which Reasons Support Which Point

RI.5.8

NameDate

Read the text, then answer the questions.

1.Read the text, then answer the questions.

What Sleep Is For

Sleep is not switching off. Parts of the brain are busier asleep than awake. Two claims are well supported. The first is that sleep consolidates memory: during deep sleep, the day's experiences are replayed and moved from short-term storage into long-term. Interrupt deep sleep and recall of the previous day drops measurably. The second is that sleep clears waste. The spaces between brain cells widen during sleep, and fluid washes through, removing proteins that build up while awake. A third claim — that a particular number of hours suits everybody — is not supported. Need varies with age and between individuals, and self-reported sleep is unreliable. Teenagers are a special case. Their body clocks genuinely shift later at puberty, which is a biological fact rather than a preference, and school start times mostly ignore it.

  1. 1. Three claims are made. Identify which evidence supports which, and which has none.
2.Read the text, then answer the questions.

Can You Do Two Things at Once?

People say they multitask. Mostly they do not. The brain can run two tasks together only if at least one is automatic. Walking and talking works because walking is automatic for an adult. Reading and listening to speech does not, because both need the same language system. What feels like multitasking is usually rapid switching. Each switch costs time — a fraction of a second to disengage and re-engage — and the costs add up. In experiments, people doing two tasks alternately take substantially longer in total than doing them one after the other, and make more errors. They also do not notice. Switching feels efficient because you are busy the whole time. The practical conclusion is unpopular but consistent: for anything demanding, doing one thing at a time is faster.

  1. 1. The text makes two claims about multitasking. Identify the evidence for each.

LessonPrint · RI.5.8 · Set 12 · free to copy for classroom use

Answer key — Which Reasons Support Which Point

Set 12. Prints on its own sheet.

  1. 1.1. Memory: the replay and the recall drop. Waste: the widening spaces and fluid. The fixed number of hours has no support and is rejected.
  2. 2.1. That it requires an automatic task — walking and talking against reading and listening. That switching is costly — the timed experiments and error rates.

More practice for RI.5.8

Match each reason and piece of evidence to the point it supports.

Teaching this next? Which Evidence Supports Which Point is the 40-minute plan for it, with the misconceptions to expect.

All Grade 5 worksheets

Last reviewed 2026-09-05. Aligned to RI.5.8 of the Common Core State Standards for English language arts.