Examples for 7th grade (seventh)

Number of examples found: 1974

  • Circle r,D
    bavlnka Calculate the diameter and radius of the circle if it has length 26.59 cm.
  • Decomposition
    prime_factorization Make decomposition using prime numbers of number 155. Result write as prime factors (all, even multiple)
  • Beer
    pivo Which beer is better to drink: small beer (0.3 L) for 0.67 € or large (0.5 L) for 1.81 €?
  • Divide 5
    ratios2 Divide 288 in the following ratio 3 : 4 : 5
  • Pound2kilos
    vaha_19 How many pounds make 1 kilograms?
  • Rhombus 29
    rhombus3_2 One of the diagonals of a rhombus is equal to a side of the rhombus. Find the angles of the rhombus.
  • Trapezium 2
    trapezium_3 Trapezium has an area of 24 square cms. How many different trapeziums can be formed ?
  • Reservoir
    cylinder_Au 6 m long reservoir has a diameter of 2.2 m. What is its surface area in square meters?
  • Common divisors
    prime Find all common divisors of numbers 30 and 45.
  • Counting number
    numbers2_49 What is the smallest counting number divisible by 2,5,7,8 and 15?
  • Tank
    24-022W_L How many minutes does it take to fill the tank to 25 cubic meters of water filled 150hl per hour?
  • Rape
    repka The agricultural cooperative harvested 525 ares of rape, of which received 5.6 tons of rape seeds. Calculate the yield per hectare of rape.
  • Potatoes
    brambory Potatoes contain 78.6% starch. How many potatoes need to obtain 27 kg of starch?
  • Unknown number
    zlomky_19 I think the number. I'll reduce it to its one-third. The result is then increased by one-third, and I get the number 12.
  • Distance of numbers
    numbers2_17 Which number has the same distance from the numbers -5.65 and 7.25 on the numerical axis?
  • Playground
    plot_ihrisko.JPG Fencing square playground cost € 464; 1 meter cost € 19. What is the area of the playground?
  • Geometric plan
    map_1 At what scale the building plan if one side of the building is 45m long and 12mm long on a plan?
  • Circle simple
    circles_3 Circumference of a circle is 6.28. What is the area of the circle?
  • Clocks
    clocks How long track travel the second hand in 46 hours, the end of which is 4 cm long.
  • Radius
    green_circle Determine the radius of the circle, if its perimeter and area is the same number.

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