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Korean Numbers to 100 (Sino-Korean)

Sixth graders learn Korea’s second number system — Sino-Korean numbers (일, 이, 삼…), used for dates, money, and phone numbers. They’re wonderfully logical: 십 (sip) is 10, 이십 (isip) is 2×10 = 20, all the way to 백 (baek), 100.

Grade 6Numbers to 10050 minutes1 class periodACTFL / World LanguagesExplicit teaching4 StandardsACTFL
Start the Lesson
Lesson at a Glance

Everything you need before the bell rings

Learning Objectives

Students will be able to…

  • ✓Count past ten.
  • ✓See the number pattern.
  • ✓Order the numbers.
  • ✓Count to 100.
Essential Question

Korean has TWO number systems! The Sino-Korean set builds big numbers with a clear pattern. Can you order them?

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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 Numbers to 100

Project this and have students put the Sino-Korean numbers in order from smallest to largest.

🔢 Put the numbers in order — smallest to largest!Try it
Tap 10 (sip) 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 — Two Number Systems

6 min

Korean has TWO number systems — the Sino-Korean set builds big numbers. Can you order them?

👩‍🏫 Teacher Moves

  • Show sip + i = isip pattern.
  • Ask what baek means.
  • Set the goal.

🎒 Student Actions

  • Look.
  • Wonder.
  • Get ready.
2

Present — Numbers to 100

12 min

Students learn.

👩‍🏫 Teacher Moves

  • Model the pattern (10, 2×10).
  • Note baek = 100.
  • Have students repeat.

🎒 Student Actions

  • Watch.
  • Note it.
  • Repeat.
3

Practice — Practice

13 min

Students practice.

👩‍🏫 Teacher Moves

  • Send students to Order the Numbers.
  • Put it in order.
  • Say them aloud.

🎒 Student Actions

  • Order.
  • Say.
  • Repeat.
4

Speak — Speak

13 min

Students speak.

👩‍🏫 Teacher Moves

  • Say a phone number.
  • Count by tens.
  • Count with a partner.

🎒 Student Actions

  • Say it.
  • Count.
  • Count.
5

Reflect — Reflect

6 min

Students close.

👩‍🏫 Teacher Moves

  • Say a big number.
  • Explain the pattern.
  • Complete the exit ticket.

🎒 Student Actions

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

Built to the standards you report on

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

ACTFL
Communication 1.2

Interpretive: understand numbers.

ACTFL
Connections 3.1

Connect to math patterns.

ACTFL
Comparisons 4.1

Compare number systems.

ACTFL
Cultures 2.2

Explore two counting systems.

Differentiation

One lesson, every learner

Multilingual Learners

ELL / EMERGING READERS
  • Number cards with romanization.
  • Show the combining pattern.
  • Count aloud.

Support & Access

IEP / 504
  • Start with sip & isip.
  • Order two at a time.
  • Show the pattern.

Stretch & Extend

GIFTED / EARLY FINISHERS
  • Count to 1000 (cheon).
  • Say prices in won.
  • Do number math.
Materials

What to gather

  • 📽️Screen / board
  • 🔢Number cards
  • 💻Order the Numbers to 100
  • 🧮A number chart
  • ✏️Notebooks
  • 🎫Exit-ticket slips
Vocabulary

Key terms — hover for a quick definition

숫자 (sutja)numbers십 (sip)ten이십 (isip)twenty (2×10)삼십 (samsip)thirty오십 (osip)fifty백 (baek)one hundred한자어 (hanjaeo)Sino-Korean세다 (seda)to count
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 “10” in Sino-Korean?
십 (sip).
QUESTION 2
How do you say “20”?
이십 (isip) — literally 2×10.
QUESTION 3
How do you say “100”?
백 (baek).

Reflect: numbers to 100.

Have students explain how Sino-Korean builds numbers like 20 (isip) from the pattern. A printable Korean 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.

🃏 Korean Sino-Korean Numbers to 100Flip
Card 1
Term
Tap to flip →
Meaning
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Nice work!

Practice · Quiz

Check your understanding

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

📝 Korean Sino-Korean Numbers to 100Quiz
Score: 0
1 / 6
Question 1
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Nice work!

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.

🖨️ Korean Sino-Korean Numbers to 100Print
Name: ________________________
Date: ____________

Part A · Write the word that matches each meaning

Word bank: 백 (baek), 삼십 (samsip), 세다 (seda), 숫자 (sutja), 십 (sip), 오십 (osip), 이십 (isip), 한자어 (hanjaeo)
  1. fifty
  2. numbers
  3. ten
  4. Sino-Korean
  5. to count
  6. thirty
  7. one hundred
  8. twenty (2×10)

Part B · Show what you learned

  1. How do you say “10” in Sino-Korean?
  2. How do you say “20”?
  3. How do you say “100”?
Answer key — Part A: 1) 오십 (osip) · 2) 숫자 (sutja) · 3) 십 (sip) · 4) 한자어 (hanjaeo) · 5) 세다 (seda) · 6) 삼십 (samsip) · 7) 백 (baek) · 8) 이십 (isip)
Part B: 1) 십 (sip). 2) 이십 (isip) — literally 2×10. 3) 백 (baek).