Some time ago we finished working with S on teens. Although he learned how to count to 20 (in three languages…) “just like that”, I wanted him to have a good understanding of how we create those numbers and to master their naming and sequence.
As an introduction we worked with teens Seguin boards (here you will find short tutorial for our home made boards). Due to last year travels and removal we had no access to our learning materials for several months. S was around 4,5yo when I introduced teens Seguin boards (and other teens mastering activities) and he grasped the concept really fast. One can definitely start working on the topic earlier if the child is ready.
I used the presentations in the sequence suggested by Karen in my KHT course.
First we introduce the quantity with colour bead bars. We show to the child that a teen number consists of a golden ten bar and a unit coloured bar. We use the 3 period lesson for the introduction.
For the second presentations we use only the teens Seguin board. It’s where we introduce the symbols of teen numbers. We place the boards one under another and we make a stack of number cards arranging them in order.
We point to the first “10” on the board saying “ten”. Then we take first numeral card, we place it in the slot so it covers the zero and we add “and one are eleven”. We continue with following numbers using the 3 period lesson.
Once the child retains the information from the third period, we ask him/her to create the numbers. First we work with the numeral cards arranged in order, then we can arrange them in mixed order.
The third presentation is the association of the quantity with the number. We use the Seguin boards together with bead bars. First we put the ten bar next to the first “10” on the board and we say “ten”. Then we add a red one bar creating 11 and saying “and one are eleven”. Then we point to the “10” symbol which is next to the coloured bars we just put and we say “ten”. We take the numeral card with 1, place it in the slot covering zero and making the symbol of 11 and we add “and one are eleven”. We create this way all the numbers till 19.
From here we pick-up with the 2nd period from the 3p-lesson. We name different numbers and ask the child to point to them. We continue working with boards till the child retains all the teens up to 19.
After this stage we can add follow-up presentations:
- mixed-order version where numeral cards are arranged in a stack in mixed order
- random numeral – we create a random numeral and ask the child to put a proper quantity
- random quantity – we create a random quantity using bead bars and the child should add the proper numeral card
We can also work with other extension activities. I will show what we did for mastering teen numbers in another post.
Here you can find my two other posts on the subject: