CHAPTER 3 (25.03.2020)

Classifying, Adopting and using tasks

Cognitive Demond (Bilişsel talep)

Tasks are divided into two according to cognitive demand.

Low Cognitive Demond and High Cognitive Demond

Low Cognitive Demond

• Memorization
• Procedures without connection                                               

High Cognitive Demond

• Procedures with connections 
• Doing Mathematics

                                 Person 1                Person2

X years ago                 a-x b-x

Today                             a b

Y years ago                 a+y b+y

(LD)

Memorization exp:

What is cos90? Stote the formula for slope?

Procedures without connection exp:

Enter 3x+1 and press graph button to create a graph of the equation in Geagebra.

(HD)

Procedures with connections exp :

A cand costs 2.5tl. Write an equation that represents how many candies you can buy with 15 tl?

Doing Mathematics exp: If a candy costs 2.5tl explain how you can represent the cost of any number of candies using equation and a graph.

The system currently given in our country (DM)

Exp: Ali is on a phone plan with his family but he grew up and he should have his own plan. (45 mins per month)

Option 1: No flat free, 0.6tl per min 

Option 2: 20 flat free+ 0.4tl per min after 25 mins.

Option1: Theachers should consider how to support students work on the task and how they will facilitate discussion so that it’s focused on the learning goals of the lesson.