Fall Math: Exploring Measurement with Leaves

It is officially Fall where we live, and I couldn’t be more excited! The air is cool and crisp, pumpkin spice is everywhere, and the leaves on our trees are just starting to change colors. One of my kids’ favorite things to do when Fall hits is to play in the leaves. To listen to them crunch underfoot and jump in leaf piles, or create works of art. I see the leaves, however, as a fantastic learning opportunity! This week we spent some time outside in the beautiful weather exploring measurement with leaves. It was such a simple way to introduce some early math concepts in a way that was fun and hands-on, while enjoying this beautiful new season.

Fall is the perfect time to head outside! Using leaves of various sizes, introduce kids to important measurement concepts such as sorting, measuring and perimeter!

Materials Needed for Exploring Measurement with Leaves:

  • Large pile of leaves in assorted sizes (or sticks, which was my son’s preference)
  • Ruler or measuring tape
Fall is the perfect time to head outside! Using leaves of various sizes, introduce kids to important measurement concepts such as sorting, measuring and perimeter!

One of the great things about this is that it requires no prep, and can be as simple or as involved as you like, depending on the ages of your kids. After collecting a nice large pile of leaves, my kids and I worked on a variety of math concepts, but you could focus on just one or two  of these if you have preschoolers.

Or if you are teaching older kids, you could have them keep track of their measurements and observations and compare with each other.

Here are some measurement ideas to get you started:

Sorting or Arranging from Smallest to Largest:

The first thing we did with our leaves (and sticks) was try to organize them from smallest to largest. My daughter even started by sorting them into small, medium and large piles, and then arranged from there. My son worked on comparing the length of his stick collection.

Fall is the perfect time to head outside! Using leaves of various sizes, introduce kids to important measurement concepts such as sorting, measuring and perimeter!

This was great practice for him. As he picked up each new stick, he had to figure out where it would fall in the lineup.

Fall is the perfect time to head outside! Using leaves of various sizes, introduce kids to important measurement concepts such as sorting, measuring and perimeter!

With my daughter, I was able to discuss length and width as we compared leaves. For example, how do we determine which leaf is bigger if one is long, but the other is wide?

Measuring with a Ruler:

Next, we got out the rulers and measured each stick and leaf. With my son, I focused on measuring to the nearest inch, and making sure his answer made sense (i.e. the lengths increased as the sticks got bigger, etc.).

Fall is the perfect time to head outside! Using leaves of various sizes, introduce kids to important measurement concepts such as sorting, measuring and perimeter!

My daughter, however, saw that some leaves fell in between two whole inches, so we discussed a half inch and measured her leaves to the nearest half inch.

Introducing Perimeter and Area:

Another fun activity we did with the leaves was exploring perimeter and area. To help show them the difference, I first asked how many leaves they thought it would take to measure all the way around them.

Fall is the perfect time to head outside! Using leaves of various sizes, introduce kids to important measurement concepts such as sorting, measuring and perimeter!

They thought this was really fun, and although it was not an exact measurement of perimeter, it provided a fun visual, as well as introducing a new vocabulary word.

After placing the leaves around her and counting all of them (28), I asked them if they would need more or less leaves if she spread out her arms and legs?

Fall is the perfect time to head outside! Using leaves of various sizes, introduce kids to important measurement concepts such as sorting, measuring and perimeter!

They both agreed that would require more leaves since they would have to go around both arms and both legs, and they were right! We used 48 leaves the second time!

So we were able to talk about measuring different perimeters, and when the perimeter would increase or decrease, and I continued to reinforce the basic definition that perimeter measures around the outside of something.

Then, to help them see the difference between perimeter and area, we decided to see how many leaves it would take to cover her brother completely with leaves.

Fall is the perfect time to head outside! Using leaves of various sizes, introduce kids to important measurement concepts such as sorting, measuring and perimeter!

We had fun trying to cover him without overlapping leaves, but it was definitely harder than the perimeter because they kept falling off or blowing away. Even so, it was another good visual to see the difference between perimeter and area.

Fall is the perfect time to head outside! Using leaves of various sizes, introduce kids to important measurement concepts such as sorting, measuring and perimeter!

What do you think? What are some of your favorite ways to get outside and learn math with the beautiful Fall leaves? What are some other things you could explore this Fall?

Planning for Fall? We’ve done all the work for you!

We now have interactive thematic lesson plans for toddlers (18-35 months) AND preschoolers (3-5 years)! Get ready for fun and learning with unit lesson plans for FALL. Explore a variety of themed hands-on activities! Easy to follow lesson plans include activity modifications and adaptations to meet the needs of all learners. For more information, click on the graphics below:

Fall Preschool Lesson Plans
Fall Toddler Lesson Plans Text says:  Fall Toddler Lesson Plans 20 Themed Lesson Plans Hands-on Lesson Plans for Toddlers Ages 18-36 months

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