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Home / Early Learning / Math / Number Rocks for Hands On Math

Number Rocks for Hands On Math

Shared by Mary Catherine 2 Comments

When it comes to number activities for preschoolers, number rocks are such fun. They make the perfect go-to math manipulatives. They’re colorful, unique, and let’s face it – kids love rocks!

You’ll definitely want to incorporate them into your math activities for preschoolers.

hands painting rocks, adding dots for numbers, then the finished product of painted rocks with numbers and corresponding dots on them. text reads number rocks

Related: Simple Outdoor Number Activities for Kids

If you’re a preschool teacher, or the parent of a young child, you know this to be true – kids love rocks. They love to pick them up when they’re outside on the playground. Or when they’re taking a walk outside with the family. Or even when you’re trying to get everyone from the car to the grocery store quickly.

Oh, the amount of rocks I have had in my pockets over the years (both from my son and my preschool or kindergarten kiddos)! Something tells me you can relate to this, yes?

On top of just being awesome, these number rocks are perfect for a variety of hands-on math activities such as one-to-one correspondence.

two piles of rocks that have been painted black and white and have numbers painted on them

Related: 35+ Spring Math Activities For Preschoolers

Table of Contents

  • Number Rocks
    • Materials
    • Directions
  • How to Use Number Rocks for Hands-On Math Activities
  • A Full Week of Playful Rock Theme Ideas

Number Rocks

This set of number rocks was made years and years ago at this point. They have lasted through multiple sets of children’s hands, and I’m hoping they’ll continue to do so. Of course, they’re rather easy to make, too. So I’m not opposed to making more!

Materials

Here’s what we used to make our rockin’ numbers (I may get commissions for purchases made through links in this post):

  • Rocks (I used black river rocks from our stash)
  • Acrylic paints
  • Acrylic sealer

You can definitely make some adjustments based on what you already have on-hand. Just make sure to start with clean rocks, preferably with some flat parts. And I highly recommend using acrylic paint and a sealer. I’m pretty sure why the original number rocks lasted so long.

ten rocks that have been painted white and have colorful dots painted on them in the numbers one to ten

Related: The Mitten Story Rocks

Directions

Start off by painting ten of the river rocks with white acrylic paint. Your students can help with this part if you want them to be involved. Or you can do what I did and make the number rocks as a surprise for the kids.

Once the white paint has dried, add different quantities of dots to each rock. Make sure to have at least one rock for each quantity zero to nine. You can also make quantities greater than nine!

hands painting black river rocks to be white

While your quantity rocks are drying, move on to the numeral rocks. I left my numeral rocks black, as a contrast to the white stones. You can, of course, do something a little different if you’d prefer!

Use different colors of acrylic paint to add numbers to each rock, again from zero to nine. Set everything to dry.

Once all of your number rocks are dry, use an acrylic sealer on them. This helps keep the paint from chipping too much as the kids handle the rocks.

black rocks with the numbers zero to nine painted on them, one number per rock

How to Use Number Rocks for Hands-On Math Activities

There are numerous ways to use these number rocks in preschool. Below are just a few examples:

  • Have children order the numeral rocks from zero to nine. They can do the same with the quantity rocks, too.
  • The kiddos can match each numeral to the correct quantity rock. So the rock with the number 9 on it would get matched to the rock with nine dots on it.
  • Let the children use the numeral rocks to make larger numbers. For example, kids can put 1 and 5 together to create 15 (or 51).
  • The children can match up other objects to the numeral and quantity rocks, too. So they can match the number 7 rock to the rock with 7 dots, then add 7 unifix cubes beside the rocks.
  • Pair them with rainbow shape rocks for even more math exploration.
  • Make multiple sets of number rocks. Then use them for matching games!
a black rock with the number six painted on it sitting next to a rock with six dots on it. also a rock with the number seven on it matched with a rock with seven dots

Related: Slime Monster Counting Activity

As I said above, there are tons of ways to explore early math concepts with these rocks. Ask your students, and I bet they can come up with some ideas we haven’t even considered! Or place them out in your math center and observe how the children interact with the numbered rocks.

How would you use these number rocks with your children/students? I’d love to hear more ideas for hands-on math in the comments below!

A Full Week of Playful Rock Theme Ideas

Save time and get right to the playful learning with our printable lesson plan sets. Each set includes over 30 playful learning activities related to the theme, and we’ve provided different versions for home preschool families and classroom teachers so all activities are geared directly toward your needs.

If your students loved the number rocks, they will definitely have a blast with an entire theme around rocks!

cover image for preschool rock lesson plans
Preschool Rocks Lesson Plans
buy now button with orange background and white text
Hands-on math with homemade number rocks


This post was originally written for B-Inspired Mama and originally posted here February, 2015.

Filed Under: Math Tagged With: Counting, Numbers, one-to-one correspondence, rocks

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  1. Sarah says

    February 16, 2015 at 6:32 pm

    Oh I so need to do this. Worried about my painting skills though! I might use a paint pen?

    Reply
    • Mary Catherine says

      February 17, 2015 at 3:21 pm

      I think using paint pens would be a great idea! I need to try that, too. 🙂

      Reply
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My name is Mary Catherine, and I love to share meaningful {and fun} learning activities for kiddos! Feel free to browse and stay awhile!

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