What if I am worried about the mess or notes sticking to clothes?

I have done this activity on the couch and at the table, and mess stays tiny. The main issue is notes landing on clothing once in a while. I tell kids to keep the game on the placemat and to check pockets and sleeves at the end. If a note sticks to fabric, gently peel it off; it usually comes off clean. A quick damp cloth will remove any faint marker smudges.

Is this okay for younger kids, or should I wait until they are older?

I use this with preschoolers all the way to early elementary. For younger kids, keep numbers small and sit with them for counting. For older kids, raise the starting number and ask them to do subtraction in steps. Supervision matters only for scissors and for gentle guidance with counting. The activity scales easily so you can match your child’s current level.

Can I swap materials if I do not have sticky notes in many colors?

Sticky notes are the point of the activity, but if you only have one color, you can still play. Use a contrasting hairline note in darker marker so it stands out. You can also cut plain paper into small squares and use a little tape, but that does add a tiny step. Sticky notes keep the setup fast and clean, which is why we recommend them as the main item.

How long does it usually take to see progress?

You will see small improvements in a few sessions. Kids usually start noticing that removing three from five leaves two after just a couple of rounds. The real change happens when you repeat this in short bursts over days. Expect little wins first and steady improvement after a week or two of short practice.

What about safety with scissors or small kids?

Use child-safe scissors and supervise any cutting. You do not need scissors for the basic game. I only bring scissors out when a child wants to trim notes for a special effect and I stay close. If you worry about small pieces, keep the area clear of toddlers and pets during the game.

Easy Subtraction Haircut using Sticky Notes 2026

Subtraction Haircut using Sticky Notes

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A fun and interactive way to teach children subtraction using sticky notes.

Author: linda-harper
Prep Time: 10 minutes
Cook Time: 0 minutes
Total Time: 10 minutes
Yield: 1 game session
Category: Educational Activity
Method: Hands-on Learning
Cuisine: N/A
Diet: N/A

Ingredients

Sticky notes, several colors or sizes
Marker or pen, easy to read and bold
Child-safe scissors (optional)
Flat surface or placemat
Paper or index cards for recording answers (optional)

Cook Mode Prevent your screen from going dark

Instructions

Write a starting number on a sticky note and place it at the top as the ‘hairline’.
Stick a row of sticky notes below the hairline to act as ‘hair’.
Ask the child to remove a certain number of hair notes to match a subtraction problem.
Have the child count the notes they remove and then count the notes left.
Replace the hair notes or change the starting number for a new round.
If a mistake happens, pause and show how to add the notes back or swap them out.
End the game with a review: count total hair removed and total hair left, celebrating small wins.

Notes

This activity stays low-prep and is engaging, making math feel like a game.

Nutrition

Serving Size: 1 session
Calories: 0
Sugar: 0g
Sodium: 0mg
Fat: 0g
Saturated Fat: 0g
Unsaturated Fat: 0g
Trans Fat: 0g
Carbohydrates: 0g
Fiber: 0g
Protein: 0g
Cholesterol: 0mg

Find it online: https://www.diymadeeasy.com/subtraction-haircut-using-sticky-notes/