# Ecologist At Work (Math): Question Preview (ID: 20215)

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You have a bag 20 apples. You ate 20%. How many apples did you eat? |
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a) 2 | b) 6 | c) 20 | d) 4 | |

What is a PIE CHART? |
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a) A bar graph showing rectangles as percentages. | b) A circle graph showing the slices in percentages. | c) A line graph showing the coordinates. | d) A table showing the percentages. | |

If you run 2 km per week, then how many km did you run from June 1 to June 28? |
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a) 16 km | b) 28 km | c) 8 km | d) 14 km | |

If the length of a rectangle is 10 cm and the width is 5 cm, what is the AREA of the rectangle in (squared cm)? |
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a) 15 | b) 5 | c) 25 | d) 50 | |

If the length of a square is 10 cm, what is the AREA of the square (in squared cm)? |
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a) 100 | b) 20 | c) 10 | d) 40 | |

Which shape is a RHOMBUS? |
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a) A shape with 4 equal sides and the opposite angles are equal. | b) A shape with 3 equal sides. | c) A shape with 4 equal sides. | d) A shape with one side shorter than the opposite side. | |

You bought a package of 30 pencils. You gave your friend 10% of them. How many pencils did you give your friend? |
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a) 6 | b) 3 | c) 15 | d) 25 | |

If you save $2.00 per day, how much money would you have in 1 week? |
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a) $10.00 | b) $20.00 | c) $14.00 | d) $25.00 | |

What is the difference between AREA and PERIMETER? |
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a) Area is length multiplied by width and perimeter is the sum of all the side lengths. | b) Area is length divided by width and perimeter is the product of two side lengths. | c) Area is length plus width and perimeter is the length multiplied by the width. | d) Area is length minus width and perimeter is the length plus width. | |

What is the difference between a RECTANGLE and a SQUARE? |
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a) A rectangle has 4 equal side lengths and a square is a four-sided shape where every angle is a right angle (90 degrees). | b) A rectangle has three (3) equal side lengths and a square is a four (4)-sides shape. | c) A rectangle is a four-sided shape where every angle is a right angle (90 degrees), and a square has 4 equal side lengths. | d) A rectangle is a four (4)-sided shape and a square has three (3) equal side lengths. | |

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