
werken met aantallen
Authored by Simon van Geldorp
Mathematics
10th Grade
Used 155+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Met welke factor moet je vermenigvuldigen als er 10% bijkomt?
100 + 10 = 110
(100+10): 10 = 1,1
10 : 100 = 0,1
10
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Met welke factor moet je vermenigvuldigen als er 12% af gaat?
112:100 = 1,12
12 : 100 = 0,12
-12 : 100 = - 0,12
88 : 100 = 0,88
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hoeveel % komt erbij of gaat eraf als je rekent met factor 1,8?
80 % erbij
98,2 % eraf
18 % erbij
180 % erbij
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hoeveel % komt erbij of gaat eraf als je rekent met factor 1,035?
35% erbij
3,5% erbij
3,5% eraf
35% eraf
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hoeveel % komt erbij of gaat eraf als je rekent met factor 0,72?
7,2 % eraf
72% eraf
28% eraf
2,8% eraf
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Wat is de algemene formule wanneer er steeds eenzelfde percentage afgaat of bijkomt?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ik zet 555€ op de bank en krijg 2,8 % rente. Na 5 jaar heb ik:
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