Free Number Flashcards and Activities (Numbers 1-20)

Make early math fun and engaging for your preschool and kindergarten students. 

Whether you’re a homeschool mom, a preschool teacher, or a parent of a curious toddler, introducing numbers in a hands-on and fun way is essential for building a strong math foundation. Today, I’m thrilled to share a free set of printable number flashcards (1-20) – along with a variety of engaging activities that help young kids learn, recognize, and understand numbers through playful learning.

Teacher and child engage in counting and learning activities in a preschool classroom.

Why Use Flashcards for Early Math Learning?

Flash cards may seem “old school,” but they’re still around for good reason—they work! Especially for young learners, flashcards offer repetition, visual cues, and bite-sized chunks of information that are easy to absorb. Here’s why they’re effective:

  • Repetition builds familiarity: Seeing and hearing numbers repeatedly helps kids develop number recognition faster.
  • Multi-sensory learning: Flashcards can be used in activities that involve seeing, saying, touching, and moving.
  • Portability: They’re perfect for learning on the go – in the car, at the doctor’s office, or while waiting at restaurants.
  • Confidence building: Kids love the satisfaction of “knowing” the answer and flipping the card to see if they’re right.

They also fit beautifully into most homeschool or preschool routines, whether you use them during whole group instruction, small group instruction, or math centers. 

7 Fun Ways to Use Numbers Flashcards

Now that you’ve got your number cards printed and prepped, let’s explore fun and simple ways to use them with your learners.

1. Number Hunt

Hide the flashcards around the room and ask your child to find them in order. Once they’ve found all 20, have them lay them out in a line from 1 to 20.

Skills practiced: number recognition, sequencing, gross motor movement

2. Match the Quantity

Print or gather small objects (pom-poms, buttons, mini erasers). Show a flashcard and ask your child to say the number name and then place the correct number of objects on a tray or mat.

Skills practiced: one-to-one correspondence, counting, fine motor

3. Flashcard Hop

Lay the cards on the floor in a path. Call out a number and have your child hop to it. You can also say a number word (like “seven”) or show a quantity and ask them to find the matching numeral.

Skills practiced: listening skills, number matching, gross motor

4. Number Order Puzzle

Young girl showcasing number cards in a vibrant classroom setting.

Mix up the flashcards and have your child arrange them in numerical order. You can offer clues or use a number line for support.

Skills practiced: sequencing, pattern recognition, logic

5. Number Tracing

Use the tracing version of the flashcards. Laminate them or place them in page protectors and let your child use dry-erase markers to practice writing the numbers.

Skills practiced: handwriting, number formation, fine motor control

6. Memory Game

Print two sets of the flashcards (or mix numeral, number word, and number of object cards depending on the ability levels of your student). Flip them upside down and play a traditional memory matching game.

Skills practiced: memory, visual discrimination, matching

7. Snack Time Math

Bring learning into snack time! Show a flashcard and have your child count out that many cereal pieces, raisins, or crackers.

Skills practiced: counting, number-object connection, life skills

What’s Included in the Free Number Flashcards?

The free printable flashcard set includes:

  • Numbers 1 through 20
  • Tracing Numbers 1 through 20
  • Corresponding number words (ex: one, two, three…)
  • Visual counting dots (ten-frame style)

These flashcards are designed with simplicity and function in mind – minimalist enough for easy printing and versatile enough to use in multiple ways.

Download your FREE Number Flashcards (1–20) HERE

Printable Number Activity Ideas and Math Games (No Prep or Low Prep)

In addition to the flashcards, consider these printable or DIY activity options that reinforce the same skills in different ways:

1. Number Line Jump

Draw a number line on the floor with tape. Ask your child to jump to different numbers, count forward or backward, and skip count.

2. Clip the Number

Create cards with dots or pictures and write several numbers at the bottom of the card. Your child will clip the correct number that matches the dots or pictures with a clothespin. Great way for strengthening those fine motor muscles.

3. Roll & Cover

Use a dice and a printable board with numbers 1 – 20. Roll the dice (or two for larger numbers), find that number, and cover it with a token.

4. Dot Marker Fun

Create number worksheets with circles for dot markers. Kids dot the correct number of spaces for each number.

5. Number Collage

Give your child old magazines or newspapers and ask them to find, cut out, and glue different number forms (numerals, words) onto a sheet of paper.

6. Board Games

Choose your child’s favorite board game to practice counting as they move through the spaces on the board. For additional number recognition practice, you can lay out the numeral flashcards and have them point to the number that matches the number rolled on the dice. 

Tips for Teaching Numbers 1-20 Effectively

Here are some helpful tips to keep in mind as you work through number learning to achieve the best results:

  • Start with smaller sets (1-5, then 6-10, and so on) before introducing all 20 at once.
  • Make it playful – turn everything into a game when possible.
  • Use real-life examples – count stairs, toys, fruit, cars on the road.
  • Repeat often but vary the method – repetition with variety keeps engagement high.
  • Be patient and encouraging – some kids learn numbers quickly, others need more time. 
Colorful numbers chart 0-120 in a classroom setting, ideal for teaching math.

Remember: it’s more important that children understand what the number means (quantity, order) than just being able to say or recognize it.

Have your young learners successfully learned the numbers 1-20? Now it is time to start working on numbers 1-100. Start by teaching them number patterns. Print of a number chart 1-100 and talk about the patterns they notice! 

Get Your Free Flashcards Today!

These printable flashcards are a simple but powerful tool for teaching your child numbers 1-20 in a fun, hands-on way. With the included activities, you’ll have a whole week – or more! – of number learning that fits right into your daily routine.

Click HERE to download your FREE Number Flashcards (1–20)

Let me know in the comments how your kids are using them!

Use These Flashcards with Any Homeschool Math Curriculum

These free flashcards are a fantastic addition to whatever curriculum you’re using. Whether you’re following a classical approach, Charlotte Mason, Montessori, or just creating your own homeschool path, number flashcards are an easy, low prep tool to reinforce key concepts. They also work great for morning baskets, independent work, or even quiet time activities!

And if you are looking for some fun activities for learning the alphabet, check out our post on ABC + Alphabet Writing Worksheets for Preschool Ages

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