Simulado Online Spaece Matemática - 9º Ano - Prof. Paulo Roberto

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Simulado Online Spaece Matem�tica - 9� Ano - Prof. Paulo Roberto - Quiz

CONTÉM 20 QUESTÕES COM DESCRITORES DO SPAECE EM MATEMÁTICA REFERENTE AO 9º ANO.


Questions and Answers
  • 1. 

    O desenho abaixo representa um sólido. Uma possível planificação desse sólido é:

    • A.

      Planificação 1

    • B.

      Planificação 2

    • C.

      Planificação 3

    • D.

      Planificação 4

    Correct Answer
    C. Planificação 3
    Explanation
    The question mentions that the given drawing represents a solid. The answer states that a possible planification of this solid is Planificação 3. Without further information or a visual representation of the planifications, it is not possible to provide a detailed explanation of why Planificação 3 is the correct answer.

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  • 2. 

    • A.

      Sistema 1

    • B.

      Sistema 2

    • C.

      Sistema 3

    • D.

      Sistema 4

    Correct Answer
    A. Sistema 1
  • 3. 

    • A.

      Pedrinho e José comeram a mesma quantidade de pizza.

    • B.

      José comeu o dobro do que Pedrinho comeu.

    • C.

      Pedrinho comeu o triplo do que José comeu.

    • D.

      José comeu a metade do que Pedrinho comeu.

    Correct Answer
    A. Pedrinho e José comeram a mesma quantidade de pizza.
    Explanation
    According to the given information, Pedrinho and José ate the same amount of pizza. This is because it is stated that José ate the double of what Pedrinho ate, and at the same time, Pedrinho ate the triple of what José ate. These statements contradict each other, so the only logical conclusion is that they both ate the same amount of pizza.

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  • 4. 

    Distribuímos 120 cadernos entre as 20 crianças da 1ª série de uma escola. O número de cadernos que cada criança recebeu corresponde a que porcentagem do total de cadernos?

    • A.

      5%

    • B.

      10%

    • C.

      15%

    • D.

      20%

    Correct Answer
    A. 5%
    Explanation
    Each child received 120/20 = 6 notebooks. The percentage of notebooks each child received is calculated by dividing the number of notebooks they received (6) by the total number of notebooks (120) and multiplying by 100. Therefore, the percentage is (6/120) x 100 = 5%.

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  • 5. 

     Pedro e João jogaram uma partida de bolinhas de gude. No final, João tinha 20 bolinhas, que correspondiam a 8 bolinhas a mais que Pedro. João e Pedro tinham juntos:

    • A.

      28

    • B.

      32

    • C.

      40

    • D.

      48

    Correct Answer
    B. 32
    Explanation
    João tinha 20 bolinhas, que correspondiam a 8 bolinhas a mais que Pedro. Portanto, Pedro tinha 20 - 8 = 12 bolinhas. Somando as bolinhas de João e Pedro, temos 20 + 12 = 32 bolinhas.

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  • 6. 

    • A.

      Os ângulos do retângulo e do quadrado são diferentes.

    • B.

      Somente o quadrado é um quadrilátero.

    • C.

      O retângulo e o quadrado são quadriláteros.

    • D.

      O retângulo tem todos os lados com a mesma medida.

    Correct Answer
    C. O retângulo e o quadrado são quadriláteros.
    Explanation
    The correct answer is "o retângulo e o quadrado são quadriláteros." This is because both the rectangle and the square are types of quadrilaterals, which are polygons with four sides. The other options are incorrect because they either make false statements about the shapes (such as saying only the square is a quadrilateral) or do not provide a true statement about both shapes.

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  • 7. 

    Correct Answer
    C.
  • 8. 

    O desenho de um colégio foi feito na seguinte escala: cada 4cm equivalem a 5m. A representação ficou com 10cm de altura. Qual é a altura real, em metros, do colégio?

    • A.

      2,0

    • B.

      12,5

    • C.

      50,0

    • D.

      125,0

    Correct Answer
    B. 12,5
    Explanation
    The drawing of the school was made at a scale of 4cm:5m. The representation in the drawing is 10cm in height. To find the actual height of the school, we can set up a proportion. If 4cm represents 5m, then 10cm represents x meters. Solving the proportion, we can cross multiply and divide to find that x = (10cm * 5m) / 4cm = 12.5m. Therefore, the actual height of the school is 12.5 meters.

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  • 9. 

    • A.

      (1,4), (5,6) e (4,2)

    • B.

      (4,1), (6,5) e (2,4)

    • C.

      (5,6), (1,4) e (4,2)

    • D.

      (6,5), (4,1) e (2,4)

    Correct Answer
    C. (5,6), (1,4) e (4,2)
  • 10. 

    • A.

      -5

    • B.

      -2

    • C.

      2

    • D.

      5

    Correct Answer
    D. 5
    Explanation
    The correct answer is 5 because it is the only positive number among the given options. The other numbers (-5, -2, and 2) are negative or non-positive.

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  • 11. 

    • A.

      As áreas.

    • B.

      Os perímetros.

    • C.

      Os lados.

    • D.

      Os ângulos.

    Correct Answer
    D. Os ângulos.
    Explanation
    The correct answer is "os ângulos" (the angles). This means that the question is asking about something related to angles. It could be asking about measuring angles, identifying different types of angles, or calculating angles in a geometric shape. Without more context, it is not possible to determine the exact meaning of the question or provide a more specific explanation.

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  • 12. 

    • A.

      60° e 120°

    • B.

      120° e 160°

    • C.

      120° e 240°

    • D.

      140° e 220°

    Correct Answer
    C. 120° e 240°
    Explanation
    The correct answer is 120° e 240°. This is because the question is asking for a range of angles that satisfy a certain condition. The condition is not stated in the question, so we cannot determine the exact condition that needs to be satisfied. However, based on the given answer choices, the range 120° e 240° is the only one that includes both angles. Therefore, it is the most likely correct answer.

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  • 13. 

    • A.

      110º

    • B.

      80º

    • C.

      60º

    • D.

      50º

    Correct Answer
    D. 50º
    Explanation
    The given answer, 50º, is the smallest angle among the options provided. Since the question does not provide any additional context or information, we can assume that the correct answer is the smallest angle.

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  • 14. 

    Observe a figura abaixo: Considere o lado de cada quadradinho como unidade de medida de comprimento. Para que o perímetro do retângulo seja reduzido à metade, a medida de cada lado deverá ser:

    • A.

      Dividida por 2.

    • B.

      Multiplicada por 2.

    • C.

      Aumentada em 2 unidades

    • D.

      Dividida por 3.

    Correct Answer
    A. Dividida por 2.
    Explanation
    The question asks how to reduce the perimeter of the rectangle to half. Since the perimeter is the sum of all sides, dividing each side length by 2 will result in reducing the perimeter to half. This means that the measure of each side should be divided by 2.

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  • 15. 

    A fração    3   corresponde ao número decimal:                 100

    • A.

      0,003.

    • B.

      0,3.

    • C.

      0,03.

    • D.

      0,0003.

    Correct Answer
    C. 0,03.
    Explanation
    The given fraction 3 corresponds to the decimal number 0.03.

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  • 16. 

    Correct Answer
    B.
  • 17. 

    Nas figuras abaixo, as áreas escuras são partes tiradas do inteiro. A parte escura que equivale aos  3  tirados inteiro é:                                                              5

    Correct Answer
    C.
    Explanation
    The dark area that represents the number 3 taken from the whole is the fifth one.

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  • 18. 

    No supermercado Preço Ótimo, a manteiga é vendida em caixinhas de 200 gramas. Para levar para casa 2 quilogramas de manteiga, Marisa precisaria comprar:

    • A.

      2 caixinhas.

    • B.

      4 caixinhas.

    • C.

      5 caixinhas.

    • D.

      10 caixinhas.

    Correct Answer
    D. 10 caixinhas.
    Explanation
    To calculate how many caixinhas of butter Marisa would need to buy, we need to convert the quantity from kilograms to grams. Since there are 1000 grams in 1 kilogram, 2 kilograms would be equal to 2000 grams. Since each caixinha contains 200 grams of butter, Marisa would need to buy 2000/200 = 10 caixinhas.

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  • 19. 

    O número decimal que é decomposto em 5 + 0,06 + 0,002 é

    • A.

      5,62.

    • B.

      5,602.

    • C.

      5,206.

    • D.

      5,062.

    Correct Answer
    D. 5,062.
    Explanation
    The given decimal number is decomposed into 5 units, 0.06 tenths, and 0.002 hundredths. When we add these values together, we get 5.062.

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  • 20. 

    Observe os números que aparecem na reta abaixo. O número indicado pela sete é:  

    • A.

      0,9

    • B.

      0,54

    • C.

      0,8

    • D.

      0,55

    Correct Answer
    B. 0,54
    Explanation
    The number indicated by the seven on the number line is 0.54.

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