
Understanding Averages: Arithmetic and Weighted
Authored by BRUNO YOSHIKAWA
Mathematics
7th Grade

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a média aritmética dos números 4, 8 e 12?
6
8
10
12
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a média aritmética dos números 5, 15, 25 e 35.
15
20
25
30
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se os pesos dos números 3, 6 e 9 são 1, 2 e 3 respectivamente, qual é a média ponderada?
5
6
7
8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Encontre a média aritmética dos números 10, 20, 30, 40 e 50.
20
25
30
35
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dado os números 2, 4, 6, 8 e 10 com pesos 1, 2, 3, 4 e 5 respectivamente, qual é a média ponderada?
6
7
8
9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a média aritmética dos números 7, 14, 21 e 28?
14
17.5
21
24.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se os pesos dos números 1, 2 e 3 são 3, 2 e 1 respectivamente, qual é a média ponderada?
1.5
2
2.5
3
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