CALCOLI RAPIDI E PROPRIETA' DI ADDIZIONI E SOTTRAZIONI
Authored by Martina Monti
Mathematics
4th Grade
Used 23+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1450 + 99 =
1549
1449
1500
1561
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2578 - 9 =
2579
2568
2569
2570
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
100 000 - 999 =
99 900
99 999
99 000
99 001
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
256 + 44 =
400
300
200
500
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
675 - 21 =
654
656
674
666
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale proprietà è stata applicata in:
45 + 18 + 55 = 100 + 18 = 118 ?
proprietà invariantiva
proprietà del 9
proprietà commutativa
proprietà associativa
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale proprietà è stata applicata in:
567 - 127 = ( 567- 27) - ( 127 - 27) = 540 - 100 = 440 ?
proprietà invariantiva
proprietà commutativa
operazione inversa
proprietà associativa
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