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7th graders proportional reasoning

Quiz by Rochelle

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16 questions
Show answers
  • Q1
    A bag contains red and blue marbles in the ratio of 2:3. If there are 10 red marbles, how many blue marbles are there?
    12 blue marbles
    20 blue marbles
    15 blue marbles
    18 blue marbles
    30s
  • Q2
    A train travels 300 miles in 5 hours. At the same speed, how far can it travel in 8 hours?
    500 miles
    520 miles
    450 miles
    480 miles
    30s
  • Q3
    A pizza recipe requires a ratio of 3 cups of cheese to 4 cups of sauce. If you use 9 cups of cheese, how many cups of sauce do you need to maintain the same ratio?
    16 cups
    15 cups
    12 cups
    10 cups
    30s
  • Q4
    A team wins 4 out of every 5 games. If they have played 25 games, how many games have they won?
    20 games
    21 games
    22 games
    18 games
    30s
  • Q5
    There is a 10% discount on a jacket that originally costs $50. What is the sale price of the jacket?
    $48
    $45
    $42.50
    $40
    30s
  • Q6
    A farm has goats and chickens in the ratio of 3:5. If there are 15 goats, how many chickens are there?
    25 chickens
    20 chickens
    35 chickens
    30 chickens
    30s
  • Q7
    A map uses a scale where 1 inch represents 4 miles. If two cities are 10 inches apart on the map, how far are they actually apart?
    30 miles
    40 miles
    50 miles
    20 miles
    30s
  • Q8
    If a car travels 150 miles on 5 gallons of gas, how many miles can it travel on 8 gallons of gas, assuming the same rate?
    200 miles
    180 miles
    240 miles
    300 miles
    30s
  • Q9
    A recipe requires a ratio of 2 cups of flour to 3 cups of sugar. If you have 8 cups of flour, how many cups of sugar do you need to maintain the same ratio?
    14 cups
    6 cups
    12 cups
    10 cups
    30s
  • Q10
    A classroom has 16 boys and 24 girls. What is the ratio of boys to the total number of students in its simplest form?
    1:3
    4:5
    2:5
    3:4
    30s
  • Q11
    If a square with a side length of 4 units is dilated by a scale factor of 3, what is the new side length?
    16 units
    7 units
    10 units
    12 units
    30s
  • Q12
    A line segment is 9 units long. If it is dilated by a scale factor of 0.2, what is the length of the new line segment?
    4.5 units
    1.8 units
    3.6 units
    11 units
    30s
  • Q13
    A triangle has a height of 4 units. If it is dilated by a scale factor of 3, what will the height of the new triangle be?
    12 units
    8 units
    10 units
    6 units
    30s
  • Q14
    What is the area of a square with side length 6 units after it is dilated by a scale factor of 2?
    256 square units
    72 square units
    144 square units
    36 square units
    30s
  • Q15
    A triangle is dilated by a scale factor of 0.5, resulting in a new triangle. If the original base was 8 units, what is the base of the new triangle?
    4 units
    16 units
    10 units
    6 units
    30s

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