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Listening: Basic Auditory Perception & Discrimination A1 - Lesson 3: Identifying Numbers (0-100) Spoken Clearly

Sopheak Pich

Welcome to your auditory number training system! Accurate number identification is a critical skill for everyday communication, hotel check-ins, and marketplace navigation.

In this lesson, we will break down basic digits, teen numbers, tens counts, and complex combined figures. We will place special emphasis on distinguishing tricky word stress pairs like fourteen versus forty.

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Welcome to your auditory number training system! I am Teacher Sopheak. When working with international tour clients, processing financial quotes, or writing hotel reservation codes, tracking spoken numbers accurately is essential.

Dropping final components or misplacing sound weight can lead to major mistakes in logistics. Let us master how to listen for exact numerical balances so you can distinguish close variations effortlessly.

warning The Teen vs Ty Acoustic Trap

The single biggest error for learners is missing where the native speaker places word volume. Failing to hear this shift completely changes values like 13 and 30.

13 = thir-teen

Long vowel trailing ending. Stressed heavily at the back.

thir-ty = 30

Short, clipped ending. Stressed immediately at the front.

onetwothree

Core Numerical Datasets

Basic Digits Matrix
0
Zero /ˈzɪəroʊ/
1
One /wʌn/
10
Ten /tɛn/
The Teen Array (-teen endings)
13
Thirteen /ˌθɜːrˈtiːn/
14
Fourteen /ˌfɔːrˈtiːn/
15
Fifteen /ˌfɪfˈtiːn/
The Tens Block (-ty endings)
30
Thirty /ˈθɜːrti/
40
Forty /ˈfɔːrti/
50
Fifty /ˈfɪfti/
Combined Forms & Century Node
21
Twenty-one /ˈtwɛnti-wʌn/
55
Fifty-five /ˈfɪfti-faɪv/
100
One hundred /wʌn ˈhʌndrəd/
quiz

Linguistic Evaluation Module

hearing Acoustic Identification 1
Trigger the sound file. Which numeric value did you hear?
hearing Acoustic Identification 2
Trigger the sound file. Which numeric value did you hear?
spellcheck Orthographic Validation
Which written choice represents the correct spelling of the number 40?
hearing Scale Discrimination
Trigger the sound file. Which scale value is stated?
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Numerical Assessment Complete

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Linguistic Missions

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Study Resources

Lesson Summary & Review

Let's review the key concepts covered in the interactive module above to ensure you are ready to identify English numbers accurately.

Core Number Groups

  • Basics: Zero (0), One (1), Ten (10)
  • The Teens: Thirteen (13), Fourteen (14), Fifteen (15)
  • The Tens: Thirty (30), Forty (40), Fifty (50)
  • Combined Numbers: Twenty-one (21), Fifty-five (55), One hundred (100)

The Teen vs. -Ty Listening Trap

Pay close attention to where the speaker places the word stress. This is the key to telling them apart:

  • Teen numbers (e.g., 13, 14): Carry a long vowel sound and are stressed heavily at the end of the word (thir-teen).
  • Tens numbers (e.g., 30, 40): Have a short, clipped ending and are stressed immediately at the beginning of the word (thir-ty).
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