Sharp EL-531RH, Руководство для учителей

Страница: 39 / 56

38
Elementary school
(upper grade)
Getting Even
• • • • • • • • • • • Using the activity in the classroom • • • • • • • • • • •
The game is best played between pairs or small groups of students. It could be introduced by the
teacher playing the game against some students.
While playing the game, students should be encouraged to reflect on whether the game is fair, and
also try and think about the reasons for their conjectures.
Odd + Even = Odd
Even + Odd = Odd
Odd + Odd = Even
Even + Even = Even
• • • • • • • • • • • • • • • Points for students to discuss • • • • • • • • • • • • • •
More able students could try to formally prove their conjectures.
The idea can be extended by students thinking about the conditions for obtaining even or odd
answers when three numbers are added, or four numbers, or...
Further Ideas
More able students could try to formally prove their conjectures.
The idea can be extended by students thinking about the conditions for obtaining even
or odd answers when three numbers are added, or four numbers, or...