En Marc vol fer polseres amb boles de colors. Per cada polsera necessita 12 boles i té una bossa amb 88 boles. Quantes polseres podrà fer?
Tram 1 matemàtiques 1r ESO

Quiz
•
Mathematics
•
7th Grade
•
Hard
Xavi Riera
Used 6+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
En podrà fer 7, i li sobraran 4 boles.
Podrà fer 7 polseres i li sobraran 3 boles.
Farà 1056 polseres (12 x 88) i no li sobrarà cap bola.
Farà 88 polseres i aprofitarà totes les boles de la bossa.
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Serà 512.
El resultat serà 128, o sigui 64 x 2.
El resultat serà 8x3=24
El resultat de la potència és 83.
3.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
4.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
5.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
6.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
7.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
Hem anat al laboratori i hem pogut comprovar que si posem en una placa de laboratori 1 bacteri, en bones condicions de temperatura i aliment, aquest es multiplica per dos (es duplica) cada dues hores. Si hem col·locat un sol bacteri a les 9 h del matí d'avui, quants n'hi haurà a les 9 h del matí de demà?
Hi haurà 24 bacteris, ja que com veiem en la imatge, coincideix el nombre d'hores amb el nombre de bacteris.
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