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Thai Numbers 20–100

Eighth graders count by tens in Thai — and it’s beautifully regular! saam-sip (30 = three-ten), sii-sip (40 = four-ten), haa-sip (50)… up to roi (ร้อย, 100). Only 20 is special: yii-sip. They order the tens and count higher.

Grade 8Numbers 20-10050 minutes1 class periodACTFL / World LanguagesExplicit teaching4 StandardsACTFL
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Lesson at a Glance

Everything you need before the bell rings

Learning Objectives

Students will be able to…

  • ✓Count by tens.
  • ✓See the “digit + sip” pattern.
  • ✓Say prices & ages.
  • ✓Count to 100.
Essential Question

yii-sip, saam-sip… how do you count by tens in Thai?

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Lesson Phases
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Vocabulary Terms
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Standards Aligned
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Interactive Task
Put in Order · Interactive

Order the Tens (20–60)

Project this and have students put the Thai tens in order from yii-sip to hok-sip.

🔢 Put the tens in order — 20 to 60!Try it
Tap “yii-sip” (20) first!
The Lesson · Language Flow (Warm-Up · Present · Practice · Speak · Reflect)

50 minutes, five moves

Tap any phase to open the teacher moves and student actions.

1

Warm-Up — Counting Higher

6 min

How do you count by tens in Thai?

👩‍🏫 Teacher Moves

  • Count 1–20 quickly.
  • Ask what comes after 20.
  • Set the goal.

🎒 Student Actions

  • Count.
  • Guess.
  • Get ready.
2

Present — Numbers 20–100

12 min

Students learn.

👩‍🏫 Teacher Moves

  • Model yii-sip to roi.
  • Note digit + sip (saam-sip = 30).
  • Send students to Order the Tens.

🎒 Student Actions

  • Watch.
  • Note it.
  • Order.
3

Practice — Practice

13 min

Students practice.

👩‍🏫 Teacher Moves

  • Count by tens.
  • Say a price.
  • Say your age.

🎒 Student Actions

  • Count.
  • Say.
  • Say it.
4

Speak — Speak

13 min

Students speak.

👩‍🏫 Teacher Moves

  • Say your age in Thai.
  • Say a big number.
  • Ask a partner.

🎒 Student Actions

  • Say it.
  • Say.
  • Ask.
5

Reflect — Reflect

6 min

Students close.

👩‍🏫 Teacher Moves

  • Say a ten.
  • Count to 100.
  • Complete the exit ticket.

🎒 Student Actions

  • Say one.
  • Count.
  • Complete the exit ticket.
Standards Alignment

Built to the standards you report on

Aligned to the ACTFL World-Readiness Standards for Learning Languages (Novice-High).

ACTFL
Communication 1.2

Interpretive: understand numbers.

ACTFL
Communication 1.3

Presentational: count aloud.

ACTFL
Connections 3.1

Connect to math / prices.

ACTFL
Communication 1.1

Interpersonal: say ages & prices.

Differentiation

One lesson, every learner

Multilingual Learners

ELL / EMERGING READERS
  • Number cards by tens.
  • Use a number chart.
  • Repeat aloud.

Support & Access

IEP / 504
  • Start with 20–40.
  • Order two at a time.
  • Use a chart.

Stretch & Extend

GIFTED / EARLY FINISHERS
  • Say numbers like 25, 42.
  • Say prices in baht.
  • Add & subtract tens.
Materials

What to gather

  • 📽️Screen / board
  • 🔢Number cards (tens)
  • 💻Order the Tens
  • 📊Hundreds chart
  • 📓Notebooks
  • 🎫Exit-ticket slips
Vocabulary

Key terms — hover for a quick definition

tua lek (ตัวเลข)numberyii-sip (ยี่สิบ)twentysaam-sip (สามสิบ)thirtysii-sip (สี่สิบ)fortyhaa-sip (ห้าสิบ)fiftyhok-sip (หกสิบ)sixtyjet-sip (เจ็ดสิบ)seventyroi (ร้อย)one hundred
Evaluate

Exit Ticket

Preview the three formative checks. Tap “Sample answer” to see what mastery looks like — hide them before you print for students.

QUESTION 1
How do you say “thirty” in Thai?
saam-sip (สามสิบ).
QUESTION 2
How is “forty” built in Thai?
sii (four) + sip (ten) = sii-sip.
QUESTION 3
What number is roi?
One hundred.

Reflect: numbers 20–100.

Have students count by tens to 100 in Thai. A printable Thai numbers sheet is in the World Languages library.

Study · Flashcards

Study the key terms

Tap a card to flip it, then rate whether you knew it. Built from this lesson’s vocabulary.

🃏 Thai Numbers 20-100Flip
Card 1
Term
Tap to flip →
Meaning
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Practice · Quiz

Check your understanding

A quick self-check with instant feedback, drawn from this lesson’s key terms.

📝 Thai Numbers 20-100Quiz
Score: 0
1 / 6
Question 1
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Practice · Worksheet

Printable worksheet

A print-and-go review sheet with a built-in answer key. Tap “Show answer key” to reveal answers, or print the clean version for students.

🖨️ Thai Numbers 20-100Print
Name: ________________________
Date: ____________

Part A · Write the word that matches each meaning

Word bank: haa-sip (ห้าสิบ), hok-sip (หกสิบ), jet-sip (เจ็ดสิบ), roi (ร้อย), saam-sip (สามสิบ), sii-sip (สี่สิบ), tua lek (ตัวเลข), yii-sip (ยี่สิบ)
  1. fifty
  2. seventy
  3. one hundred
  4. twenty
  5. thirty
  6. number
  7. forty
  8. sixty

Part B · Show what you learned

  1. How do you say “thirty” in Thai?
  2. How is “forty” built in Thai?
  3. What number is roi?
Answer key — Part A: 1) haa-sip (ห้าสิบ) · 2) jet-sip (เจ็ดสิบ) · 3) roi (ร้อย) · 4) yii-sip (ยี่สิบ) · 5) saam-sip (สามสิบ) · 6) tua lek (ตัวเลข) · 7) sii-sip (สี่สิบ) · 8) hok-sip (หกสิบ)
Part B: 1) saam-sip (สามสิบ). 2) sii (four) + sip (ten) = sii-sip. 3) One hundred.