Recognizing numbers beyond ten is an important milestone in early math learning.
These Number Recognition Flash Cards 11–20 are designed to help children confidently identify two-digit numbers, which can feel confusing at first for many young learners.
By using a clear, number-only design, this printable set allows children to focus on what matters most at this stage: understanding what numbers look like and how they differ from one another.
Why Number Recognition 11–20 Is an Important Step
After children learn numbers 0–10, the next challenge is understanding that numbers continue in a predictable order. Numbers 11–20 introduce several new ideas:
- Numbers now have two digits
- All teen numbers start with 1
- The second digit changes while the first stays the same
- Some number names sound different from how they look (e.g. eleven, twelve)
These changes can be confusing without focused practice.
Number recognition flash cards give children the chance to slow down, look carefully at each number, and become familiar with how teen numbers are written.
What Makes These Flash Cards Effective
This set uses a numbers-only approach, meaning there are no pictures, dots, or objects on the cards. This is intentional.
At this stage, children are learning to visually distinguish:
- 11 vs 17
- 18 vs 19
- 20 vs teen numbers
Removing extra visuals helps children concentrate fully on numeral shape and structure, which is essential before moving on to counting larger quantities.
Each card includes:
- One clear two-digit number per card
- Large, easy-to-read numerals
- Consistent formatting across all cards
- A clean layout suitable for printing and cutting
How to Use Number Recognition Flash Cards 11–20
These cards can be used in short, simple activities that fit easily into daily routines.
Visual Recognition Practice
- Show one card at a time
- Say the number aloud
- Ask your child to repeat it
- Compare similar numbers (e.g. 16 and 18)
Ordering and Sequencing
- Lay cards out in order from 11 to 20
- Mix them up and ask your child to reorder them
- Practice identifying which number comes before or after
Matching and Finding
- Ask children to find a specific number
- Match flash cards to numbers seen in books, calendars, or worksheets
- Use cards as prompts during number tracing or counting activities
Classroom and Group Use
- Math centers
- Small group instruction
- Morning warm-ups
- Review and assessment activities
Short, repeated sessions work best. Even a few minutes a day can make a big difference.
Who These Flash Cards Are Best For
These number recognition flash cards are ideal for:
- Preschool children who already know numbers 0–10
- Kindergarten students learning teen numbers
- Children who struggle with two-digit numbers
- ESL learners building number vocabulary
- Parents supporting early math at home
- Teachers and early childhood educators
They are especially helpful for children who can count verbally but still confuse written numbers.
Tips for Successful Learning
- Start with a small range (11–14) before introducing all numbers
- Use clear verbal repetition
- Keep activities calm and pressure-free
- Praise recognition, not speed
- Combine with tracing or counting activities later
Once children can confidently recognize numbers 11–20, they are ready to move on to counting larger quantities, number sequencing, and early math operations.
Printing and Preparation Tips
For best results:
- Print on thicker paper for durability
- Laminate for repeated classroom use
- Use a paper trimmer for clean edges
- Store cards with a rubber band or small box
These flash cards are designed to be easy to prepare and practical for everyday learning.
Download the free PDF below and help your child build strong number recognition skills for numbers 11–20.
This set is the perfect bridge between early counting and confident two-digit number understanding.










