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BANCO DE RECURSOS EUREKA!- 1.º CICLO- 2.º ANO
FICHASDE CONSOLIDAÇÃO – NÚMEROS E OPERAÇÕES
© Areal Editores
FICHA 9 Estratégias de cálculos
1. Calcula as somas e diferenças.
2. Observa a estratégia
e completa.
=  + =
=  + =
=  + =
=  + =
=  + =
=  + =
=  + =
=  + =
17 – 9
11 – 8
13 – 6
12 – 3
13 – 9
15 – 7
16 – 9
14
6
8
6
14 – 8
Nome ________________________________________________________ Data: ____/ ____/ ____
249 + 125
_____ + _____ + _____
– (_____ + _____ + _____)
_____ + _____ + _____= _____
358 – 132
_____ + _____ + _____
– (_____ + _____ + _____)
_____ + _____ + _____= _____
218 + 164
_____ + _____ + _____
+ _____ + _____ + _____
_____ + _____ + _____= _____
134 + 152
_____ + _____ + _____
+ _____ + _____ + _____
_____ + _____ + _____= _____

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Aeekm217 con no_9

  • 1. BANCO DE RECURSOS EUREKA!- 1.º CICLO- 2.º ANO FICHASDE CONSOLIDAÇÃO – NÚMEROS E OPERAÇÕES © Areal Editores FICHA 9 Estratégias de cálculos 1. Calcula as somas e diferenças. 2. Observa a estratégia e completa. =  + = =  + = =  + = =  + = =  + = =  + = =  + = =  + = 17 – 9 11 – 8 13 – 6 12 – 3 13 – 9 15 – 7 16 – 9 14 6 8 6 14 – 8 Nome ________________________________________________________ Data: ____/ ____/ ____ 249 + 125 _____ + _____ + _____ – (_____ + _____ + _____) _____ + _____ + _____= _____ 358 – 132 _____ + _____ + _____ – (_____ + _____ + _____) _____ + _____ + _____= _____ 218 + 164 _____ + _____ + _____ + _____ + _____ + _____ _____ + _____ + _____= _____ 134 + 152 _____ + _____ + _____ + _____ + _____ + _____ _____ + _____ + _____= _____