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Supporting a Claim

Thinking Skills · Y4 OC
Year 4 OC
Lesson Guide
Explanation
A CLAIM is something a person says is true or should happen: 'Schools should teach dance lessons.' In the OC test you'll be asked: which statement, if true, best SUPPORTS the claim? A supporter is a reason — if it's true, the claim becomes more believable. 'Dancing improves children's fitness' supports the claim, because fitness is a reason schools should teach it. 'Dance was taught in schools in the past' doesn't — old habits aren't reasons. The magic test: read the claim, then the option, and ask 'so is the claim now MORE believable?'
Your Turn
Claim: 'Our school should plant more trees.' Which supports it better — 'Trees give shade in summer' or 'Some trees lose their leaves in winter'? Check: the shade one; losing leaves is no reason to plant.
Watch Out
The question says "if true" — you never judge whether an option IS true, only whether it would HELP the claim if it were.
Explanation
The wrong options are rarely silly — they're usually TRUE-sounding but off-topic. Example: 'Everyone on a boat should wear a life jacket.' Option B — 'a life jacket makes surviving a fall overboard far more likely' — is a direct safety reason: it supports. The others are decoys: bright colours (about looks, not why you SHOULD wear one), swimmers wearing rash vests (different activity), boats being fast (no link made to life jackets). The test: does the option give a reason FOR THIS claim — not a nearby fact about the same topic?
Your Turn
Claim: 'Children should eat breakfast every day.' Which supports it: 'Breakfast foods can be expensive' or 'Children who eat breakfast concentrate better at school'? Check: concentration — it's a reason TO eat breakfast.
Watch Out
An option can mention every word of the claim and still support nothing. Relevance is about the REASON, not the shared words.
Explanation
The question asks which BEST supports — so two options might both help a little, and your job is to rank them. Claim: 'Our town needs a new swimming pool.' 'Some people enjoy swimming' helps vaguely. 'The old pool has closed and 500 children can't learn to swim' hits the exact point — a NEED for a NEW pool. Match the option to the claim's key words: if the claim says 'needs' and 'new', the best supporter explains the need. Read the claim twice, underline its strongest word in your head, and make the winning option earn it.
Your Turn
Claim: 'School lunches should include more fruit.' Rank: (1) 'Fruit is colourful', (2) 'Fruit gives children vitamins they often miss'. Check: (2) is far stronger — it's a health reason for MORE fruit.
Watch Out
Don't stop at the first option that helps a bit. 'Best' means compare ALL four before answering.
Explanation
Different claims need different support. A 'should' claim ('schools should teach dance') wants a benefit or a need. A 'helps everyone' claim wants evidence of wide benefit. And a 'not just X — also Y' claim wants evidence about Y specifically. Example: 'Traffic noise is not just annoying — it harms people's health.' Best support: 'People living beside busy roads have more sleep problems and higher blood pressure' — that's real harm, exactly what the claim adds. The option that matches the claim's special twist beats every general fact about the topic.
Your Turn
Claim: 'Reading is not just fun — it makes you better at school.' Which supports best: 'Libraries lend books for free' or 'Children who read daily score higher in spelling'? Check: the spelling one — it proves the 'better at school' twist.
Watch Out
When a claim has a twist ('not just…', 'too', 'even'), the right answer supports the TWIST, not the ordinary part everyone already believes.
Explanation
The routine: (1) read the claim twice and find its exact point — especially any twist like 'not just' or 'too'; (2) treat every option as true — the question already grants that; (3) for each option ask 'does the claim get more believable?'; (4) compare all four and pick the BEST, not the first helper. In the real test you have about a minute — the speed comes from crossing out near-misses confidently: off-topic facts, support for a different claim, and things that sound nice but give no reason. Quiz and exercises now!
Your Turn
Claim: 'Bike riders should use bike lights at night.' Options: A) Bike lights use small batteries. B) Drivers can see lit bikes from much further away. C) Some bikes are painted bright colours. D) Bike lights are sold in many shops. Check: B — the only real safety reason.
Watch Out
If two options both feel right, re-read the CLAIM, not the options — the claim's exact wording is the referee.
📌 Key Points — this lesson in a nutshell
  • A supporter is a statement that, IF TRUE, gives a reason the claim is right — never judge whether the option is actually true.
  • Wrong options are usually true-sounding but off-topic: nearby facts, not reasons.
  • "BEST supports" is a contest — compare all four; a direct reason beats a vague nod.
  • If the claim has a twist ('not just…', 'too'), the answer must support the twist.
  • Routine: read claim twice → treat options as true → ask "more believable now?" → pick the strongest.
Step 1: Introduction
Step 1 of 5
What holds a claim up? CLAIM "Schools should teach dance lessons." SUPPORT ✓ "Dancing improves children's fitness." NO HELP ✗ "Dance was taught in schools in the past." A supporting statement gives a REASON the claim is a good idea. It answers: "if this is true, does the claim become more believable?"
Sounds nice ≠ supports the claim Claim: "Everyone on a boat should wear a life jacket." (four options — judge them one at a time) A Life jackets come in bright colours. about looks, not safety B A life jacket makes surviving a fall overboard far more likely. a SAFETY reason — supports! ✓ C Swimmers at the beach wear rash vests. about the beach, not boats D Boats travel faster than kayaks. true, but no link to life jackets Three options are TRUE-ish — only one is a reason to wear a life jacket.
"Best supports" — a strength contest Claim: "Our town needs a new swimming pool." Weak-ish support "Some people enjoy swimming." helps a little — but vague Strong support ✓ "The old pool is closed and 500 children can't learn to swim." a direct NEED for a new pool "BEST supports" means two options may both help — pick the one that hits the claim's exact point (a NEW pool is NEEDED), not one that gently nods at the topic.
Match the support to the claim's job "Should" claims "Schools should teach dance" support = a benefit or a need "Better for everyone" claims "Recess games help every class" support = how it helps widely "Not just X" claims "Traffic noise harms us, not just annoys us" support = evidence of real HARM Example: "noise harms us too" → best support: people beside busy roads sleep worse and have higher blood pressure.
Your 4-step routine 🎯 1. Read the claim twice find its exact point (and any twist) 2. Treat every option as TRUE the question says "if true" 3. Ask: more believable now? does this option give a REASON? 4. Compare all four — pick BEST direct reason beats nearby fact In the real test this takes under a minute. The skill is crossing out the three near-misses fast — quiz and exercises will train exactly that.
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