
Av.3
Mathematics
3rd Grade
Used 5+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Interpolar 6 meios aritméticos entre 7 e 42 de modo que a1=7 e a8=42.
(7,15,23,31,39,47,55,63)
(7,14,21,28,35,42,49,56)
(7,12, 17, 22, 27, 32, 37, 42)
(7,9,11.13.15,17,19,21)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine os termos que faltam na sequência numérica (3,......,.......,.......,.......,.......,.......,.......,.......,1536) para que tenhamos uma progressão geométrica. Achar os termos a6 e a7.
96 e 192
97 e 193
98 e 194
99 e 195
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual é o centésimo primeiro termo de uma PA cujo primeiro termo é 107 e a razão é 6?
507
607
707
807
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
O oitavo termo de uma PG é 256 e o quarto termo dessa mesma PG é 16. Calcule seu primeiro termo.
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual é a soma dos 30 termos iniciais da progressão aritmética (2, 9, 16, …)?
205
3105
6210
203
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine os valores desconhecidos no triângulo retângulo ao lado:
b = 12; n = 12/13; m = 25/13;
h = 10V3/13
b = 13; n = 12/13; m = 25/13;
h = 10V3/11
b = 14; n = 12/13; m = 25/13;
h = 10V3/12
b = 15; n = 12/13; m = 25/13;
h = 10V3/10
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