🌟 Primary
| CBSE • Mathematics

Numbers 10 to 20

Teens numbers — ten, eleven, twelve through twenty.

1 Lesson 1 MCQ 1 Mnemonic
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Lesson

Numbers 10 to 20 — Lesson

🌟 Let's Explore Numbers 10 to 20! 🌟

🎉 Hook: The Mango Party 🍋

One sunny day, Raju invited 12 friends to his house for a mango party! 🥭

He had 20 juicy mangoes. First, he gave 10 mangoes to his friends. Then, he kept some for himself.

Can you help count the mangoes from 10 to 20 and find out how many mangoes Raju kept? Let's learn numbers 10 to 20 together!

📚 Core Concepts: Numbers 10 to 20

Numbers from 10 to 20 are the numbers that come after 9 and before 21.

Number Word Example (Indian Context)
10 Ten 10 ladoos in a box 🍬
11 Eleven 11 marigold flowers for a puja 🌼
12 Twelve 12 cricket players in a team 🏏
13 Thirteen 13 diyas in Diwali decoration 🪔
14 Fourteen 14 mangoes in a basket 🥭
15 Fifteen 15 balloons at a birthday party 🎈
16 Sixteen 16 sweets in a box 🍬
17 Seventeen 17 stars in the sky 🌟
18 Eighteen 18 mango trees in a garden 🌳
19 Nineteen 19 kites flying in the sky 🪁
20 Twenty 20 pencils in a box ✏️

See how numbers grow from 10 to 20? Each number is one more than the last.

📝 Key Rules to Remember

  • ➤ Counting Rule: To count from 10 to 20, start at 10 and add 1 each time.
  • ➤ Number Words: Learn the spelling of numbers 10 to 20. It helps in reading and writing.
  • ➤ Order: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

🤩 Did You Know?

In India, the number 12 is very special! There are 12 months in a year, and many festivals come every month. 🎉

📝 Exam Tips for Numbers 10 to 20

  • ✔️ Write numbers carefully: 12 is not 21! Check the order.
  • ✔️ Practice number words: Spellings like "fourteen" and "fifteen" can be tricky.
  • ✔️ Use counting objects: Use pencils, beads, or fruits to count and understand numbers better.
  • ✔️ Board Pattern: Questions may ask to write numbers, fill missing numbers, or match numbers with words.
  • ✔️ Avoid common mistakes: Don’t skip numbers or write them backward.

Good luck! You can do it! 🎉

2
MCQ Practice

Numbers 10 to 20 — Mcq

3
Memory Trick

Numbers 10 to 20 — Mnemonic

🌟 Fun Mnemonics for Numbers 10 to 20 🌟

  • 1️⃣0️⃣ to 2️⃣0️⃣ Rhyme Time 🎵
    "Ten and eleven, feeling like heaven!
    Twelve and thirteen, colors so green!
    Fourteen, fifteen, sweets in a tin!
    Sixteen, seventeen, kite flying in the scene!
    Eighteen, nineteen, mangoes so fine!
    Twenty is plenty, time to shine!"

  • Funny Acronym: TET FES ME TW 🎉
    Each letter stands for a number:
    T - Ten
    E - Eleven
    T - Twelve
    F - Thirteen (F for "Firangi" to remember 13 is a little different)
    E - Fourteen (E for "Ekdam" means exactly 14)
    S - Fifteen (S for "Sweet" 15)
    M - Sixteen (M for "Mango" 16)
    E - Seventeen (E for "Elephant" 17)
    TW - Eighteen, Nineteen, Twenty (TW for "Two Wheels" like a bicycle)
    Say it fast: "Tet Fes Me Tw!" 😄

  • Hindi Phrase Trick 🇮🇳
    “दस, ग्यारह, बारह, तेरह, चौदह, पंद्रह, सोलह, सत्रह, अठारह, उन्नीस, बीस”
    Remember this fun line:
    "दस ग्यारह बारह, तेरा चौदह पंद्रह, सोलह सत्रह अठारह, उन्नीस बीस है साथ!"
    (Means: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 are together!) 😊
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