➕MATHEMATICAL SKILLS➖

➕MATHEMATICAL SKILLS➖ 

1️⃣ NUMBERS 1️⃣

Gelman & Gallistel (1975)

• One - one principle:

One counting word for each item (1=⬛/2️⃣ /3️⃣)

• Stable - order principle:

The list of words must be consistent in order (1 - 2 - 3 - 4)

• Cardinal principle:

The final word tell us how many they are (⬛⬛⬛= 3 )

• Abstraction principle:

You can count any collection of objects whether real or imaginary

• Order irrelevance principle:

It doesn't matter what order but you have to count each object only once. You will get the same result

(1️⃣2️⃣3️⃣4️⃣=4️⃣3️⃣2️⃣1️⃣)

✅ADVANTAGES OF WORKING WITH MANIPULATIVE MATERIAL✅

1. Recreate situations exercise logical abilities
2. They adapt to the rhythm
3. They are attractive
4. They cause dialogue between educator/parents and child