Download - Fisa nr 20 - 10082012

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11

11.2.2008 Numele: ________________________________

1. Calculai apoi completai: 35 + 18 = ___ 61 28 = ___ 40 + 30 = ___

30 16 = ___ 14 + 77 = ___ 80 60 = ___

a. ordonai cresctor sumele obinute: ___, ___, ___, ___,

b. aflai suma resturilor pare: ....................................................................

c. ordonai descresctor diferenele obinute: ___, ___, ___, ___,

d. aflai restul sumelor impare: ....................................................................

2. Completai i facei calculele unde este necesar:

a. numrul cu 15 mai mare dect 38 este. ______________________________________

b. 71 este mai mare dect 48 cu .. ______________________________________

c. numrul egal cu suma numerelor 8, 18, 28 este..______________________________________

d. suma vecinilor pari ai numrului 24 este ______________________________________

3. Aflai valorile literelor a, b, x, z tiind: a + 32 = 74 24 = b 15 = 60 x = 24 + z;

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13.08.2012

4. Bunicul a plantat 34 meri i 27 pruni. 7 meri nu s-au prins iar 8 pruni s-au uscat. Calculai:

a. Ci pomi a plantat bunicul? _____________________________________________

b. Ci meri s-au prins? _____________________________________________

c. Ci pomi nu s-au prins? _____________________________________________

d. Ci pruni s-au prins? _____________________________________________

e. Ci pomi s-au prins? _____________________________________________

5. Eugen este cu 23 ani mai mic dect mama sa. Ci ani va avea Eugen peste 5 ani dac mama sa are 30 ani?

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R: ....................................

6. Mati are 100 cercuri, ptrate, triunghiuri. Observ c 70 nu sunt ptrate iar 90 nu sunt triunghiuri. Scriei mai nti relaiile matematice apoi aflai cte figuri geometrice de fiecare fel are Mati.

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