Area of shape - 6th grade (11y) - math problems

Number of problems found: 155

  • Shape
    some_airplane Plane shape has a maximum area 677 mm2. Calculate its perimeter if perimeter is the smallest possible.
  • Circle area
    circle3 Calculate the circle area with a radius of 1.2 m.
  • Land
    geodetka Land has a rectangular shape, its surface area is 1.45 hectares. Its width is 250 m. Determine the length of the land.
  • Perimeter to area
    circles_1 Calculate the area of a circle with the perimeter 15 meters.
  • Area of square
    big-square Calculate the content area of the square whose perimeter is 24 dm.
  • Diameter to area
    circle_eq_1 Find the area of a circle whose diameter is 26cm.
  • The playground
    playground The playground has the shape of a square with a side of 64 m. It is fenced on three sides. What is the area of the playground and how long is its fence?
  • Calculate
    circle_packing_1 Calculate the area of a circle whose radius is 5 dm.
  • Concrete pedestal
    krychle_10 The carpenters made wooden mold on a concrete pedestal in the shape of a cube with edge 2 meter long. What is the area in which the concrete touches wooden molds? (No lid or bottom)
  • Area of rectangle
    rectangle_24 How many times will increase the area of the rectangle, if we increase twice the length and at the same time we decrease the width by the half?
  • Octagon from rectangle
    8gon From tablecloth rectangular shape with dimensions of 4 dm and 8 dm we cuts down the corners in the shape of isosceles triangles. It thus formed an octagon with area 26 dm2. How many dm2 we cuts down?
  • Maximum area of rhombus
    rhombus Calculate the interior angles at which equilateral rhombus has a maximum area.
  • Perimeter of square
    stvorec_1 The square has a circumference 17cm. What is its area?
  • Diameter
     circular_plot The diameter of a circular plot is 14 dm. Find the circumference and area.
  • Quadrant II
    quartes_circle Calculate the radius of the quadrant, which area is equal to area of circle with radius r = 15 cm.
  • Circle simple
    circles_3 Circumference of a circle is 6.28. What is the area of the circle?
  • Hectares
    map_11 The rectangular land is 350m long and 200m wide. Calculate the area in hectares.
  • A rectangle
    rectangle_12 A rectangle has an area of 36 cm2. What could the length and width of rectangle be?
  • Area of a triangle
    triangle1_2 What is the area of a triangle that has the base 4 1/4 and the height of 3 3/3?
  • Radius
    circle_axes Find the radius of the circle with area S = 200 cm².

Do you have an interesting mathematical word problem that you can't solve it? Submit a math problem, and we can try to solve it.



We will send a solution to your e-mail address. Solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.

Please do not submit problems from current active competitions such as Mathematical Olympiad, correspondence seminars etc...



Examples of area of plane shapes. Examples for 6th grade (the sixth graders).