Focus on equality and operation sign:
* + 0 = _
**** +* = _
**** - * = _
** + *** = * + _
* + ****** = *** + _
Game
Bulls and Cows - mathematical game. There is a secret code 2 digit code with all the digits being different. The kids then guess the code. If they have a digit that is present in the code, it is a cow. It they have a digit that is both present and in the correct position, they have a bull. The number of bulls and cows are reported after each guess. The game stops when the code is guessed correctly.
Coordinates
Homework review: How do we get an eight pointed star using squares?
New homework: Can we make a 10 pointed star using squares or triangles?
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