Free Unicorn Counting to 20 Activity for Google Slides and Seesaw

Are you looking for a fun and engaging way to help your students master their counting skills? This unicorn counting to 20 activity is a magical way to make numeracy exciting for young learners. Designed for Google Slides and Seesaw, this interactive counting activity provides a hands-on approach to counting with a colorful unicorn and heart theme.

For each of the 20 digital slides, students will drag the hearts from the section on the left side to the rainbow on the right side to demonstrate the correct number. Whether you are teaching in person or virtually, this resource offers an easy and effective way to build basic math skills while keeping students motivated.

Building Number Sense in Kindergarten

PERFECTING COUNTING SKILLS IN KINDERGARTEN

Building strong number sense and counting skills in kindergarten sets the stage for future math success! As first graders move on to place value, addition, and subtraction, having a solid foundation in counting and number recognition will make those new concepts easier to grasp.

This fun, unicorn counting to 20 activity keeps kids engaged while giving you valuable insight into their ability to count to 20.

You can easily integrate this unicorn counting to 20 activity into your classroom in multiple ways—download it for Google Classroom, assign it on Seesaw, use it with Boom Cards with our low cost self-checking upgrade, or even print it out for a hands-on math center.

The free unicorn counting to 20 activity for Google Slides cover numbers 1-20. Kindergarteners identify the number on each slide and then drag the correct number of hearts onto the rainbow to match the ‘I Can Count’ statement at the top of each slide.

With so many ways to use this unicorn counting to 20 activity, students will get plenty of practice with essential math skills, including:

  • Number recognition
  • Counting fluency
  • One-to-one correspondence
  • Subitizing (quickly recognizing groups of objects)
  • Fine motor skills (through dragging and placing objects)

No matter how you choose to use it, this unicorn counting to 20 activity makes learning to count fun, interactive, and engaging!

Digital unicorn counting to 20 activity for Kindergarten math

Using the Unicorn Counting to 20 Activity in Kindergarten

Essential Kindergarten Math Skills

Building confidence with numbers and counting sets young learners up for success as they tackle new math concepts. The more familiar they become with numbers, the easier it is for them to recognize patterns and make connections.

When introducing this unicorn counting to 20 activity—whether working one-on-one, in small groups, or completing it together online—consider asking thought-provoking questions to encourage deeper understanding:

  • What number do you see? Is it a one-digit or two-digit number?
  • How many tens and ones are in this number?
  • Does this number feel big or small? Why?
  • How could you arrange your hearts to make counting easier?

By guiding students through these questions, you’re helping them think critically about numbers while making math fun and engaging!

Unicorn Counting to 20 activity being played on a tablet.

Using Arrays to Build Numeracy Skills

Arrays are a fantastic way to help children develop early math skills in a structured and engaging way. By organizing objects in rows and columns, students can better understand number relationships, recognize quantities, and develop a sense of order when counting.

Make Numbers More Visual

Arrays provide a clear, organized way to present numbers, helping young learners easily grasp counting concepts.

Reinforce One-to-One Correspondence

A key numeracy skill is ensuring that each number corresponds to a specific object. Arrays encourage children to count in an orderly fashion, touching or pointing to each unicorn in a row to reinforce the connection between numbers and quantities.

Support Number Sense Development

Arrays allow children to break numbers into smaller, more manageable groups. For example, a 4×5 array demonstrates that 20 is made up of four groups of five, helping children see how numbers relate to one another in a structured way.

Boost Subitizing Skills

Seeing small groups of hearts arranged in an array allows students to quickly recognize patterns without needing to count each object individually. This ability, known as subitizing, strengthens number recognition and mental math skills.

Encouraging Logical Counting Strategies

Arrays help children count in an organized way, rather than jumping from one object to another at random. This structured approach makes counting easier, improves accuracy, and boosts confidence as they see their progress in a clear, predictable pattern.

How to Use This Free Unicorn Counting to 20 Activity

Counting 1-20 with Young Learners

Giving kids the freedom to work at their own pace helps build confidence in their counting skills. Some children may not be ready for all the slides, and that’s okay! The key is to provide a fun and supportive learning experience.

Getting started with the unicorn counting to 20 activity is simple—just choose the version that works best for you and follow the instructions.

  • Google Slides
  • Seesaw
  • Boom Cards

Printing the Activity? Laminate the pages for durability and set out some heart-shaped erasers or counters on a paper plate.

How to Get the Activity

  • Enter your email below and then check your email to get the activity.
  • When you open the file you can click on the format that you prefer to use: Google Slides, Seesaw and/or Boom Cards®.
  • If you are downloading the Google Slides version you will be prompted to “Make a copy.”  This is an important step you need to complete to make sure you get an editable version to share with your students!
  • In Slides, make sure you are in “Edit” mode, as opposed to “Present” mode. You will see the “Present” button in the upper right-hand corner.
  • In Slides, just click on the symbol box to highlight it in blue and drag it when the cursor resembles a plus sign with an arrow on each end.
  • If you choose the Seesaw version, click the Seesaw image to instantly add it to your Seesaw library.
  • Use the Text tool (click on the large T) to be able to highlight each symbol to move it.
  • To upgrade to self-checking Boom Cards®, click on the image to purchase the deck to use with your students.
  • Finally, if you choose self-correcting Boom Cards, remember you must be connected to the Internet in order for the cards to work.
Choose the version of digital activity you prefer
Unicorn counting to 20 activity on a tablet screen shows slide for counting to 8

Easy Ways to Extend the Activity

Unicorn Manipulatives

Use small unicorn figurines or printable cutouts to create physical arrays. Children can group them into rows and columns, reinforcing the concept of structured counting.

Heart Sticker Arrays

Provide students with heart stickers and have them arrange the stickers in arrays on paper, then count and record the total number of hearts.

Rainbow Number Jars

Fill small jars or cups with different numbers of heart-shaped beads or unicorn-themed counters. Have children arrange the beads into small groups on a counting mat and then record the total number, reinforcing their understanding of arrays and number organization.

More Digital Drag-and-Drop Counting to 20 Activities

In addition to this fun Google Slides and Seesaw activity, choose from our fun collection of digital counting activities where students can drag and arrange virtual objects into arrays with fun themes to last all year long.

Building Arrays with Blocks

Use small cubes or building blocks to physically construct arrays, helping students develop a concrete understanding of grouping numbers systematically.

Our Favorite Unicorn Books:

We can’t live without these!

Once your child’s creativity is sparked with this fun activity, take it a step further with these engaging resources:

This free unicorn counting to 20 activity is a fantastic way to bring joy to math lessons while strengthening foundational counting skills. With interactive features on Google Slides and Seesaw, children can practice at their own pace, building confidence in their numeracy abilities. Let the magic of unicorns and hearts make learning numbers an exciting adventure!


Rainbow-themed digital counting activity with hearts for preschoolers to practice counting to 20 using Google Slides and Seesaw.

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