Composing and Decomposing Teen Numbers 11 to 20

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310 Ratings
Mathful Learners
Grade Levels
K - 1st, Homeschool
Formats Included
  • PDF
30 pages
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Mathful Learners


Composing and Decomposing teen numbers is a place value skill that all Kindergarten and Foundation students need to perfect. Teaching teen numbers is EASY with this 30 page booklet of activities, games and worksheets. Also including hands-on activities and flashcards and ideas on using each resource for teaching teen numbers. Teaching Teen Numbers is fun, engaging and easy for you to use!

⭐️⭐️⭐️⭐️⭐️ "Love the detail!!! The fine motor beading is awesome!"

Your class will love these Bingo Games to 20 (easy and hard)! Perfect for whole class warm ups and 5 minute fillers!


Included in this teaching teen numbers pack:

  • numbers 11 to 20 posters
  • numbers 11 to 20 flashcards
  • tens frames for decomposing and composing teen numbers
  • whole class and small group games
  • worksheets
  • how to make a bead necklace

Full instructions are included with activities. These activities and worksheets can easily be a weeks worth of lesson plans. Lessons can be repeated for extra consolidation.

Please see the preview pictures for more details.



⭐️⭐️⭐️⭐️⭐️ "LOVE this can't wait for school to start again so I can use this in my room!"

⭐️⭐️⭐️⭐️⭐️ "We worked all last year on subitizing, composing and decomposing 10. We are ready for this. Perfect!"

⭐️⭐️⭐️⭐️⭐️ "Great product. This can be a tricky concept for some students. Thanks."

⭐️⭐️⭐️⭐️⭐️ "Perfect for those kiddos that have a hard time with the dreaded "teens". Thanks."



CCSS.K.NBT.A.1 - compose and decompose numbers to 20




ACMNA002 - Connect number names, numerals and quantities to 10 and beyond

ACMNA003 - Subitise small collections of objects


If this is the perfect fit for you classroom, you might also like:

⭐️ Teaching Measurement - Heavier and Lighter Worksheets

⭐️ 15 Fun Dice Number Games for Kids

⭐️ Maths Listening Activities - shape, color, positional language

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COPYRIGHT ©Alison Hislop of Mathful Learners

Permission for personal use in a single classroom. Please purchase additional licenses for use in multiple classrooms.

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Total Pages
30 pages
Answer Key
Teaching Duration
1 Week
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to see state-specific standards (only available in the US).
Compose and decompose numbers from 11 to 19 into ten ones and some further ones, e.g., by using objects or drawings, and record each composition or decomposition by a drawing or equation (e.g., 18 = 10 + 8); understand that these numbers are composed of ten ones and one, two, three, four, five, six, seven, eight, or nine ones.
10 can be thought of as a bundle of ten ones - called a “ten.”
The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.


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