---
title: Inflation explained with a chocolate bar — how Mova does on the tests · Money
description: Lesson 34 of the money course of Mova's primary school: 4 of 12 tests right, exam 0 of 4, every question with the options, the student's choice, the right answer and why it chose.
---

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# Inflation explained with a chocolate bar

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**Tests:** 4 of 12 right · **Exam:** 0 of 4 right · **Kind:** ★★★ · **Understood:** 4 of 16 · **Run:** 2026-10-18, commit `f3c23ea72`

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Lesson 34 of the money course of Mova's primary school, as Mova's small model took its tests: it had read this lesson and the ones before it and learned from their exercises. Each test shows the options in the order the student saw them, its choice, the right answer, the score of every option and why it chose. The lesson itself, sentence by sentence with trees and pragmatics: [the lesson in the corpora](https://md.mova.elamur.ai/free/en/corpora/school/money/34-inflation-explained-with-a-chocolate-bar/).

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Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: [the lesson's questions in the corpora](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/).

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### Test 1 · ★★★ · wrong ✗ {#t1}

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Nan says, "A Mars bar was 5p in my day!" Your cousin goes, "No way, so Nan was minted." ("Minted" means rich.) What's the truth?

- **1.** People were paid in chocolate then — **← Mova's choice** · no support
- **2.** Nan was rich, because everything was cheap — no support
- **3.** Nan had more pocket money than any child now — no support
- **4.** Prices were lower but wages were lower too — **✓ the right answer** · no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/t1/)

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### Test 2 · ★★★ · wrong ✗ {#t2}

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Ella yells, "Who put my chocolate up?!" Her brother says, "The shop's just greedy, end of." What's the fuller answer?

- **1.** Shops pick prices by spinning a wheel each morning — **← Mova's choice** · no support
- **2.** Only chocolate ever goes up in price; everything else always stays the same — no support
- **3.** Prices never go up, so the shop made a mistake — no support
- **4.** Many things push prices up, like ingredients, energy and transport — **✓ the right answer** · no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/t2/)

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### Test 3 · ★★★ · right ✓ {#t3}

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On the news, one person says "energy prices", another says "too much money printed", another says "big companies putting up prices". Which is the fair summary?

- **1.** None of them is talking about inflation at all — no support
- **2.** Experts disagree, and each view has supporters — **← Mova's choice** · **✓ the right answer** · score 5
- **3.** The first person is right and the others are lying — no support
- **4.** The last person is right and nobody disagrees — no support

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**Why:** It took the question to ask which statement is true. It chose option 2 with score 5, the only option with support. Its support: lesson 34, line 13: «Some people blame energy prices, some blame too much money being created, and some blame big companies raising prices; each view has supporters.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «view» (+2); the same thing acted on «supporters» (+2); the same light verb (be, have, do, get, go) (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/t3/)

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### Test 4 · ★★★ · wrong ✗ {#t4}

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Mum, sarcastic: "Brilliant, cheers," when rates go up and her mortgage rises from £600 to £700. Grandad, with savings, is pleased. Why?

- **1.** Mum is truly happy and Grandad is only being sarcastic — **← Mova's choice** · no support
- **2.** Higher rates make Grandad's savings smaller and smaller — no support
- **3.** Higher rates make loans dearer but savings earn more — **✓ the right answer** · no support
- **4.** Higher rates help everyone equally, whether they borrow or save — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/t4/)

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### Test 5 · ★★★ · right ✓ {#t5}

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What would happen if prices doubled every month for 5 months, starting with a £1 loaf?

- **1.** The loaf would cost £32 — **← Mova's choice** · **✓ the right answer** · no support
- **2.** The loaf would cost £5 — no support
- **3.** The loaf would cost £16 — no support
- **4.** The loaf would cost £10 — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/t5/)

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### Test 6 · ★★★ · wrong ✗ {#t6}

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A Gen Alpha kid says, "My fiver's lowkey mid now, it buys less." ("Mid" means not great.) Sweets went from 50p to 55p. How many fewer does £5 buy?

- **1.** 2 fewer: 8 instead of 10 — **← Mova's choice** · no support
- **2.** 5 fewer: 5 instead of 10 — no support
- **3.** None fewer: still 10 — no support
- **4.** 1 fewer: 9 instead of 10 — **✓ the right answer** · no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/t6/)

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### Test 7 · ★★★ · wrong ✗ {#t7}

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Ruby goes, "TVs are cheaper than before, so inflation's fake!" What's the best reply?

- **1.** She's right, inflation was made up by the news — **← Mova's choice** · no support
- **2.** Some things fall while most rise; inflation is the average — **✓ the right answer** · no support
- **3.** TVs get dearer every year, so she's wrong — no support
- **4.** TVs are the only thing that ever changes price — no support

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**Why:** Nothing it remembers matched the question, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/t7/)

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### Test 8 · ★★★ · right ✓ {#t8}

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In a cartoon, the king fixes high prices by printing a mountain of money for everyone. What would really happen?

- **1.** With the same goods and more money, prices would shoot up — **← Mova's choice** · **✓ the right answer** · score 3
- **2.** The shops would close because money is boring — no support
- **3.** Prices would fall because money is everywhere — score 3
- **4.** Everyone would be rich for ever with no problems — no support

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**Why:** It took the question to ask which statement is true. It chose option 1 with score 3, tied with another option at 3 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 19, line 11: «A price far below normal for a popular new item is a warning sign of fake goods or goods that never arrive.», reached through the option's own match among the sentences about the question's things. What matched: the same circumstance (+2); the same doer «price» (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/t8/)

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### Test 9 · ★★★ · wrong ✗ {#t9}

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Sam's dad says, "2% rise, prices up 5% — so I'm worse off, mate." His mate, a cheery Aussie, says, "Yeah nah, you got a raise, you're sweet." ("Yeah nah" means no; "sweet" means fine.) Who's right?

- **1.** His mate: any raise at all means you're better off than before — **← Mova's choice** · no support
- **2.** Neither: prices and pay always rise at exactly the same speed — no support
- **3.** Both: pay and prices don't affect each other in any way at all — no support
- **4.** Sam's dad: if prices rise faster than pay, he can buy less — **✓ the right answer** · no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/t9/)

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### Test 10 · ★★★ · wrong ✗ {#t10}

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Inflation is 3%. Mum's weekly shop is £100 — no, £200. Roughly what will the same shop cost next year?

- **1.** £203 — **← Mova's choice** · no support
- **2.** £230 — no support
- **3.** £206 — **✓ the right answer** · no support
- **4.** £300 — no support

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**Why:** It could not read the question into a frame, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/t10/)

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### Test 11 · ★★★ · right ✓ {#t11}

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Grandad says, "In some countries folk needed wheelbarrows of money for a loaf." What is this called, and where was it reported?

- **1.** Deflation, reported only in Britain last year — no support
- **2.** Hyperinflation, reported in Germany long ago and Zimbabwe more recently — **← Mova's choice** · **✓ the right answer** · score 12
- **3.** Low inflation, reported in every country — no support
- **4.** Interest, reported only in banks — no support

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**Why:** It took the question to ask what it is done to. It chose option 2 with score 12, the only option with support. Its support: lesson 34, line 16: «It was reported that hyperinflation happened in Germany about 100 years ago and in Zimbabwe more recently, making money nearly useless.», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+6); the same thing acted on «hyperinflation» (+4); the same action «report» (+2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/t11/)

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### Test 12 · ★★★ · wrong ✗ {#t12}

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A lorry uses 100 litres and fuel rises 20p a litre. The firm makes 10 such trips a week. How much more a week?

- **1.** £2,000 — **← Mova's choice** · no support
- **2.** £200 — **✓ the right answer** · no support
- **3.** £20 — no support
- **4.** £120 — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/t12/)

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### Exam question 1 · formal language · wrong ✗ {#e1}

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It is given that an article formerly priced at fifty pence is now priced at fifty-five pence. Determine what fraction of the former price the increase represents.

- **1.** One half — **← Mova's choice** · no support
- **2.** One fifty-fifth — no support
- **3.** One tenth — **✓ the right answer** · no support
- **4.** One fifth — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/e1/)

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### Exam question 2 · formal language · wrong ✗ {#e2}

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Ascertain the price, after a period of four months, of an article initially priced at £1, its price doubling at the conclusion of each month.

- **1.** £8 — **← Mova's choice** · no support
- **2.** £4 — no support
- **3.** £5 — no support
- **4.** £16 — **✓ the right answer** · no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/e2/)

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### Exam question 3 · formal language · wrong ✗ {#e3}

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Which of the following statements most accurately characterises inflation?

- **1.** A fixed charge imposed by the government upon chocolate — **← Mova's choice** · no support
- **2.** An increase in the quantity of air contained in an article — no support
- **3.** A general fall in prices over time, whereby a given sum purchases more goods — no support
- **4.** A general rise in prices over time, whereby a given sum purchases fewer goods — **✓ the right answer** · no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/e3/)

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### Exam question 4 · formal language · wrong ✗ {#e4}

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Select the response consistent with the established facts concerning the causes of elevated inflation.

- **1.** Economists unanimously attribute it to a single cause — score 2
- **2.** It arises exclusively from the conduct of children who spend their pocket money — **← Mova's choice** · score 3
- **3.** It has no cause and cannot be influenced by any measure — no support
- **4.** Economists disagree, and several causes may operate concurrently — **✓ the right answer** · score 3

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**Why:** It took the question to ask which statement is true. It chose option 2 with score 3, tied with another option at 3 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 18, line 15: «Owning up quickly and paying back money you spent without asking helps rebuild trust.», reached through the option's own match among the sentences about the question's things. What matched: the same action «spend» (+2); the same thing acted on «money» (+2). Against it: a different doer (counts against) (-1). The right option, 4, scored 3. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/e4/)

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- ← previous: [33. Adverts and how they work on you](https://md.mova.elamur.ai/free/en/school-run/money/33-adverts-and-how-they-work-on-you/)
- next →: [35. Unemployment: when jobs are lost](https://md.mova.elamur.ai/free/en/school-run/money/35-unemployment-when-jobs-are-lost/)
- ↑ back to [Money](https://md.mova.elamur.ai/free/en/school-run/money/)