Monday, April 25, 2016

Smart Bananas Math Activities for Preschoolers

Preschool and K Hands-on Math Activities

Smart Bananas Math: building and playing with a number line, counting down the number line, circles, measuring length and weight, heavier - lighter, compare and contrast bananas, cutting bananas and water transfer.

Smart Bananas Hands-on Math

Introducing Estimation to Preschoolers

Guess how many bananas are on the tray!

Estimation is not an easy task for preschoolers. With all the support and playful encouragement, we didn't get the estimation number out of My Firefly that day. I mean, look at that face, "I don't know!"

They just don't know how many and don't want to make it up. We made this as a family activity, and everybody estimated right: 10 bananas. Then she stated she thinks there are 10 bananas. Modelling helps, and here is a start!

Building a Number Line, and Counting up and down the Number Line

To check if the estimation was correct, we decided to build a number line. Invitation to build a number line set up: two trays with bananas and numbers.

My Firefly made it to number 5 this time. Commenting the process is important, "One banana, adding one more makes it two (placing down a banana, then the number 2), adding one more banana makes it...

Pictured below, "this one is a sad banana".

We finished our 1 to 10 number line together: she placed a banana, and I placed a number. Counting down the number line went the same way.

Using Bananas to Find the Amount Needed to Make a Bear-Friend Happy (understanding addition and subtraction hands-on)

We had a favorite bear friend visiting. The bear wanted some bananas too! "Hello!" she said, "would you please share some bananas with me? I want 3 bananas!"

Three bananas were placed on the tray (pictured above). "But I want 5 bananas now!"
  • Should we add more bananas to make five?
  • OK, add one more. Is it five? (No.)
  • Should we add one more. Is it five? (Yes!)
  • How many bananas did we add to the tray?

Bear said, "Thank you! But these are too many bananas! I think I only want two." How many bananas do we need to take from the tray?

Compare and Contrast Bananas

Which banana does not belong? (Pictured above.)
Possible answers:
  • The first banana because it is peeled, the rest are not.
  • The second banana because it is facing the right hand, other bananas are facing the lift hand.
  • The last banana because it's on the plate, the other bananas are on the table.

Longer - Shorter: Measuring Bananas with the Ruler

We used a cutting board, a ruler, and a plastic knife to measure and cut bananas in 1" to 5" chunks.
Invitation to arrange from the shortest banana to the longest was fun. In the process, My Firefly discovered the chunks that were of the same length.

Heavier - Lighter: Measuring Bananas with the Scale

This turned into a free play sensory activity with the cutting board and the scale. I stayed around to comment "heavier - lighter" for the developing active vocabulary.

Fun challenge:
What is heavier: a cup of bananas or a cup of water? (Pictured below.) My Firefly loved using a dropper to balance the scale. The green tray is for containing water spills.

We also built circles with bananas. Challenge: can you build a circle with two bananas? 3, 4, 5?

Smart Bananas math activities turned into a fun sensory play and hands-on explorations of the complicated math concepts. How fun!

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  1. Banana math wow great that is something new I have never seen before like that in my teaching life as I'm also a teacher and a part-time thesis writer in Pakistan. I want to appreciate the person who makes this idea and I think it is a great way to teach about the numbers lines. really interesting.

  2. Wow!!! Impressive this is such a creative activity for children.This activity can make them busy and and make their mind fresh and active . And children also love such type of activities .
    Academic writing help appreciates you for sharing this activity with us . Keep updating us with new activities.

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