FORMATION OF 10 – 90 WITH THE GOLDEN BEADS
To teach the names ‘twenty’, ‘thirty’, etc., with the ten bead bars.
Forty-five golden ten bead bars. –
A felt mat.
The teacher and the child as he counts the tens and learns the new names.
4 – 5 years
Invite the child to place the mat on the table and to bring the box of forty-five ten bead bars.
Remove six ten bead bars.
Place one ten bar in front of the child and say, you know what this is.
Yes it is ‘ten’.
Remove the ten to the left and place two ten bars in front of the child and say, This is ‘twenty’ … ‘twenty’.
Remove the two ten bars and place three ten bars in front of the child and say: This is ‘thirty’ … ‘thirty’.
Proceed with the Three Period Lesson until the child understands the new concept.
On another day teach 40, 50, 60 and then 70, 80, 90 until the child is quite familiar with how we make the quantity 10 – 90 and the correct terminology.
Exercise: The child works with the material as shown.