Adventures with the Number 17

Let's investigate the special and unique number Seventeen! It's a prime number, which makes it a true individual in the number world. Let's learn about this interesting 'teen' number!

Getting to Know the Number 17:
17, spelled seventeen, represents a group of seventeen objects. 17 has 1 ten and 7 ones. 1 × 10 + 7 = 17.
- The Whizki Learning Team

Seeing the Number 17 in Our World

The number seventeen is a number of individuality. Representing it in different ways helps your child manage this larger, odd quantity. Here are a few ways we can show what 'seventeen' really means.

The Numeral

A stylized illustration of the number seventeen, formed by connected dots and lines like a constellation.

This is how we write the number seventeen. A '1' and a '7' working together as a team.

The Word

seventeen [ˌsɛvənˈtiːn]

This is how we read the number. The word 'seventeen' clearly tells us it's a group of 'seven' and 'ten'.

On a Ten-Frame

Seventeen dots require two ten-frames: one completely full frame, and a second frame with seven dots. This is a clear picture of '10 + 7'.

As a Group

A group of seventeen objects is unique because you can't split it into smaller, equal piles. It's a great real-world example of a prime number.

Practice the Number 17 at Home (No Screens Needed!)

The best learning happens through play. Here are a few simple, screen-free ideas to continue your number 17 adventure together and build confidence with bigger numbers.

The 17-Bead Necklace

This is a wonderful fine motor and counting activity. You'll need some string and seventeen beads. The task is to create a beautiful necklace or bracelet using exactly seventeen beads. This simple activity requires your child to carefully count out a larger quantity of objects and then use their fine motor skills to thread them onto the string. You can also incorporate patterns, for example: 'Let's make a pattern with two red beads, then two blue beads, until we get to seventeen!'. The finished product is a lovely piece of jewelry they can feel proud of making themselves.

Seventeen-Step Story

This is a fantastic collaborative storytelling game that practices counting and sequencing. The goal is to create a story together that has exactly seventeen sentences. You start with the first sentence: 'Once upon a time, there was a brave knight...'. Then your child adds the second sentence: '...who lived in a tall castle.' You go back and forth, counting each sentence until you reach seventeen. The final sentence is the grand conclusion to your epic tale! This game is great for creativity, communication, and practicing counting with a larger number in a meaningful, fun context.

The 'Prime' Group Test

This is a great hands-on activity for understanding the concept of prime numbers. You'll need seventeen small objects, like pebbles or blocks. First, count them all to confirm you have seventeen. Then, challenge your child to see if they can divide the seventeen objects into smaller, equal groups. Can you make two equal piles? No. Can you make three equal piles? No. This simple experiment shows them that seventeen is a 'prime' number because it can't be split up. It’s a powerful, concrete way to introduce a key mathematical concept.

Practice Number 17

Download free printable worksheets to master this number!

Browse more activities

Find the Missing Numbers Worksheet

Kids often pause when a counting pattern has holes, even when they can count out loud. This Whizki Learning printable gives your kindergartener four short trails and simple equations to complete together.

Bigger Smaller or Equal Groups Worksheet

Kids often know “more” in real life but stall when two printed groups look close. Use this page to count each group together, then choose bigger, smaller, or equal.

Numbers 1 to 5 Counting Objects Worksheet for Preschool

Count illustrated groups, including 1 apple picture, and write each total. Practice touching every picture once and checking the whole quantity with adult support.

Plan a little more practice

Pick a page from the counting and number sense worksheets. Free PDFs need a free account to download. You can also explore number explanations. For teaching goals, read kindergarten counting and number sense goals.

Save the worksheet on its page, or add an activity to your learning planner for another day. Compare Free, Plus, and Pro if you need more saved materials or planning tools.

A Parent's Guide to Arabic Numerals (0-20)

You're doing a great job exploring the world of numbers! Each number has its own unique story.
Use this guide as your adventure map to jump to another number you're curious about, or to see how they all fit together in one big, amazing family.