Hello,
Below are some links which can assist to introduce division concepts to children
https://thirdspacelearning.com/blog/gui ... explained/
https://www.youtube.com/watch?v=gvh9C4TbxwM
https://www.youtube.com/watch?v=ndfeFjoperg
Apart from these links make sure that you remember to use words like share and divide throughout so that your child becomes familiar with the concepts.
Start with 4 blocks. Share them into 2 equally sized groups.
Start with 10 blocks. Share them into 2 equally sized groups.
Start with 6 blocks. Share them into 3 equally sized groups.
Thanks
Nandita