Montessori style toddler activities: transferring and one to one correspondence

Egg cartons are a cheap and readily accessible option with clear depressions for each object. A large object to transfer such as these stones or wooden eggs will keep a toddler well occupied.

One-to-one correspondence is an important foundational maths skill. Here are some ideas I have used with my older babies, toddlers and into preschool years.

What is it?

  • Saying one number to one object as you count (therefore the “one to one” correspondence.)
  • Children often begin learning to count by saying numbers out loud while pointing or touching objects, without those numbers actually matching up with the objects being counted.
  • Children also count the same object more than once or skip objects entirely.

    These super sized marbles are a favourite material in our house, even for the older children. They fit perfectly into this mini-muffin tray.

    Making activities:
  • One to one correspondence activities should be self-correcting; there are exactly the correct number of objects for the receptacle. Any left over or running out before all the spaces are filled signals to the child that there has been an error.
  • Start with large, non-slippery objects that fit easily into a scoop or are transferred by hand and move on to activities that require greater fine motor control.
  • Even older babies can experiment with one-to-one correspondence. Babies love to put things in containers and tip them out again. A freezer popsicle tray is fabulously enthralling for a child at this stage. They work especially well if no more than one object can fit in each segment, but this is not essential.

Popsicle tray and wooden dolly pegs. It’s surprising how something this simple can hold a young child’s attention.

A basic activity for babies.

Extending activities:

  • Keep interest by changing the way objects are transferred; by hand, with  spoons, scoops, tongs then tweezers.
  • Change the material to be transferred; stones, pompoms, pegs, jewels, plastic animals or anything else you can think of. Keep in mind the age of the child and be wary of choking hazards.
  • Change the receptacle used; bowls, baskets, tins, containers, iceblock trays, egg cartons, jars or any other container with a definite number of depressions.

Pompoms come in many different shapes and sizes and are a safe material for little ones. The worst mine have ever done is suck on them or pull them apart.

Using their hands to transfer large, easily grasped objects is a great beginning for babies.

This tray came out of our fridge. It is meant to hold eggs but to my knowledge has never actually done so!

Be careful with jewels. They are very attractive but also feel nice to suck and babies and toddlers do tend to out them in their mouths.

For older children using small objects that require greater fine motor control adds a little more challenge. Combining one-to-one practice with beginning counting is the next step.

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