Di un triangolo rettangolo conosciamo base e altezza, cos'altro ci serve per trovare l'area?
l'ipotenusa con il Teorema di Pitagora
l'altezza relativa all'ipotenusa
l'apotema della piramide associata
niente, abbiamo già tutti i dati necessari
5. Multiple Choice
30 seconds
1 pt
Proprietà delle potenze: (52)3 =
56
55
65
152
6. Multiple Choice
30 seconds
1 pt
24 x 25 / 27 =
216
8
4
1
7. Multiple Choice
30 seconds
1 pt
Se 3 kg di pane costano 9 euro, quanto costeranno 10 kg di pane?
27 €
45 €
15 €
30 €
8. Multiple Choice
30 seconds
1 pt
Una maglietta costa 20€. Il commerciante pratica uno sconto del 25%. Quale sarà il prezzo finale?
15 €
17,50 €
25 €
12,50 €
9. Multiple Choice
30 seconds
1 pt
A parità di area di base e di altezza, quale di queste figure ha il volume maggiore?
Il cono
Il cilindro
Il tronco di cono
Hanno tutte lo stesso volume
10. Multiple Choice
30 seconds
1 pt
Cos'è l'apotema?
l'altezza relativa all'ipotenusa di un triangolo
l'altezza della faccia di una piramide
la distanza fra il centro della base e il vertice della piramide
un altro nome per indicare l'area di base di un solido
11. Multiple Choice
30 seconds
1 pt
Qual è quel numero che sommato a 8, da come risultato il doppio di 10?
8
10
12
14
12. Multiple Choice
30 seconds
1 pt
Se Cesare ha 14 anni e suo padre 40, fra quanti anni l'uno avrà la metà degli anni dell'altro
8
12
18
23
13. Multiple Choice
30 seconds
1 pt
Quanti minuti ci sono in tre ore e mezza?
180
190
200
210
14. Multiple Choice
30 seconds
1 pt
[(+6) - (-3) + (-4)] * (-2)
12
10
-10
-12
15. Multiple Choice
30 seconds
1 pt
quale di queste frazioni è compresa fra 1 e 2?
3/7
3/4
4/3
7/3
16. Multiple Choice
30 seconds
1 pt
cosa è un monomio?
un insieme di elementi legati fra di loro solo da moltiplicazioni
un insieme di elementi legati fra di loro solo da addizioni
un insieme di elementi legati fra di loro solo da divisioni
un insieme di elementi legati fra di loro solo da sottrazioni
17. Multiple Choice
30 seconds
1 pt
cosa è un trinomio?
un monomio composto da 3 elementi
un monomio di terzo grado
un polinomio composto da tre monomi
una cosa bruttissima che non vorrei mai incontrare di nuovo
18. Multiple Choice
30 seconds
1 pt
l'equazione
x + 1 = x + 2
risulta x = 3
risulta x = 0
risulta indeterminata
risulta impossibile
19. Multiple Choice
30 seconds
1 pt
Qual è la probabilità che estraendo a caso una carta da un mazzo di 40 carte italiane, esca fuori un 3
1/4 o il 25%
1/40 o il 2,5%
1/10 o il 10%
l'evento è impossibile
20. Multiple Choice
30 seconds
1 pt
Uno studente, nei compiti in classe precedenti, ha preso come voto due volte 5. Quanto dovrà prendere nel terzo compito per riportare la sua media esattamente a 6?
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