Numbers 20 to 100 and Prices (Asking and Telling Prices) — Vocabulary, Dialogues and Exercises — English 1st Year Middle School — Algerian Curriculum

Learning numbers from 20 to 100 is essential for everyday conversations — telling prices, ages, quantities, and phone numbers. In this lesson, we will learn how to count from 20 to 100, say prices in English, and practise through real-life dialogues.

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تعلم الأعداد من 20 إلى 100 ضروري للمحادثات اليومية — الأسعار، الأعمار، الكميات، وأرقام الهواتف. في هذا الدرس، سنتعلم العد من 20 إلى 100، وكيفية قول الأسعار بالإنجليزية، مع تمارين عملية.

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Learning Objectives / الأهداف التعليمية

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  • Count from 20 to 100 in English confidently / العد من 20 إلى 100 بثقة
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  • Ask and tell prices in English / السؤال عن الأسعار وقولها
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  • Use numbers in real-life shopping dialogues / استخدام الأعداد في حوارات التسوق
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  • Read and write prices correctly / قراءة وكتابة الأسعار بشكل صحيح
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Part 1: Numbers 20 to 100 — الأعداد من 20 إلى 100

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In English, numbers from 20 to 90 follow a pattern: the tens (twenty, thirty, forty…) + a unit (one, two, three…). Let’s learn the tens first:

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Number English Arabic Pronunciation
20 Twenty عشرون twen-tee
21 Twenty-one واحد وعشرون twen-tee WUN
30 Thirty ثلاثون thur-tee
40 Forty أربعون for-tee
50 Fifty خمسون fif-tee
60 Sixty ستون siks-tee
70 Seventy سبعون sev-en-tee
80 Eighty ثمانون ay-tee
90 Ninety تسعون nine-tee
100 One hundred مئة wun HUN-dred

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Rule / القاعدة: For numbers like 21, 35, 47, we write: tens + hyphen (-) + unit.
\nExample: 21 = twenty + one = twenty-one, 47 = forty-seven, 83 = eighty-three

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⚠️ Important notes / ملاحظات مهمة:

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  • Write thirty (NOT threety) for 30
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  • Write forty (NOT fourty) for 40 — no ‘u’!
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  • Write fifty (NOT fivety) for 50
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  • Eighty (NOT eightty) for 80 — only one ‘t’
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Part 2: Asking and Telling Prices — السؤال عن الأسعار

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When shopping, we use these questions to ask about prices:

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Question / السؤال Answer / الإجابة
How much is this? It’s twenty dollars. / 20 DA
How much are these? They’re thirty-five dollars.
How much does it cost? It costs fifty dollars.
What’s the price? The price is sixty DA.

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Currency / العملة: In Algeria, we use Dinar (DA). In the UK/US, we use dollars ($) or pounds (£).

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Part 3: Shopping Dialogue — حوار تسوق

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Dialogue 1: At the Stationery Shop

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Shopkeeper: Hello! Can I help you?

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Ali: Yes, please. How much is this notebook?

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Shopkeeper: It’s fifty DA.

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Ali: And how much are these pens?

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Shopkeeper: They’re thirty DA each.

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Ali: OK, I’ll take three pens. That’s ninety DA, right?

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Shopkeeper: Yes, correct! That’s ninety DA in total.

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Ali: Here is one hundred DA.

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Shopkeeper: And here is your change: ten DA. Thank you!

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Part 4: Practice Exercises / تمارين تطبيقية

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Exercise 1: Write the numbers in English / اكتب الأعداد بالإنجليزية

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  1. 34 = ________
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  3. 57 = ________
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  5. 82 = ________
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  7. 69 = ________
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  9. 100 = ________
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  11. 45 = ________
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  13. 91 = ________
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  15. 78 = ________
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Exercise 2: Match the price / صِل السعر المناسب

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  1. A book costs        a) ninety DA
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  3. A sandwich costs        b) thirty DA
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  5. A school bag costs        c) sixty-five DA
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  7. A pen costs        d) ten DA
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  9. A ticket costs        e) two hundred DA
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Exercise 3: Complete the dialogue / أكمل الحوار

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You: How much ________ this T-shirt?

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Shopkeeper: ________ eighty DA.

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You: And ________ much are these shoes?

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Shopkeeper: They ________ sixty DA.

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You: OK, I’ll take the T-shirt. Here is one ________ DA.

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Shopkeeper: Here is your ________ : twenty DA.

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Answer Key / الإجابات النموذجية

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Exercise 1: 1. thirty-four, 2. fifty-seven, 3. eighty-two, 4. sixty-nine, 5. one hundred, 6. forty-five, 7. ninety-one, 8. seventy-eight

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Exercise 2: 1-e, 2-c, 3-a, 4-d, 5-b

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Exercise 3: is, It’s, how, are/are, hundred, change

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Pronunciation Tips / نصائح النطق

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  • Teen vs Ty: Be careful! 13-19 end in -teen (thirTEEN) with stress on the last syllable. 20-90 end in -ty (THIRty) with stress on the first syllable.
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  • Thirty / Forty / Fifty: The ‘t’ in thirty sounds like a quick /d/ in American English.
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  • Hundred: Pronounced /ˈhʌn.drəd/ — don’t say ‘hundred’ with a hard ‘d’ at the end.
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Summary / ملخص الدرس

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Concept / المفهوم Formula / الصيغة Example / مثال
Tens (عشرات) twenty / thirty / forty… 70 = seventy
Compound numbers (أعداد مركبة) Tens + hyphen + unit twenty-five = 25
Hundred (مئة) one hundred + and + number one hundred and ten = 110
Asking price (السؤال عن السعر) How much is/are…? How much is this bag?

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