5/28/2018 2.Impartirea- Operatia Inversa Inmultirii

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mprirea operaia invers nmulirii

1. Completai dup model:

2 x 7 = 14 3 x 9 = 28 ____

14 : 2 = 7 __28__ : __3_ = __9__14 : 7 = 2 _28___ : __7_ = _4__

_2___ x __4__ = _8___ _6___ x ___4_ = __24___8___ : ___2_ = ___4_ __24__ : _6___ = __4___8___ : __4__ = _2___ __24__ : __4__ = ___6_

_5___ x _5___ = 25____ _6___ x ___3_ = 18______25___ : __5__ = ___5_ __18__ : __6__ = ___3____25__ : _5___ = __5__ __18__ : __3__ = ____6_

2.Scriei mpririle dedu!e di" "mulirile de mai #o!:3 x 5 = __15__ 15___: 3= __5__ 15____ : __5__ = _3_2 x 6 = 12 __12__ : _6 = 2 _12___ : __3__ = 4____7 x 8 =56 _56 : __8__ = __7__ 56 : __7__ = ___8_

9 x 5 = 45 45 : __5__ = ___9_ 45 : __9__ = __5__4 x 8 = 36 36 : _8___ = __4__ 36 : _4__ = __5__

mprirea operaia invers nmulirii

2. Completai dup model:

2 x 7 = 14 3 x 9 = ____

14 : 2 = 7 ____ : ___ = ____14 : 7 = 2 ____ : ___ = ____

____ x ____ = ____ ____ x ____ = ____ ____ : ____ = ____ ____ : ____ = ____ ____ : ____ = ____ ____ : ____ = ____

____ x ____ = ____ ____ x ____ = _____

____ : ____ = ____ ____ : ____ = _____ ____ : ____ = ____ ____ : ____ = _____

2.Scriei mpririle dedu!e di" "mulirile de mai #o!: 3 x 5 = ____ ____ : ____ = ____ ____ : ____ = ____ 2 x 6 = ____ ____ : ____ = ____ ____ : ____ = ____ 7 x 8 = ____ ____ : ____ = ____ ____ : ____ = ____

9 x 5 = ____ ____ : ____ = ____ ____ : ____ = ____ 4 x 8 = ____ ____ : ____ = ____ ____ : ____ = ____