Arithmetic - examples

  1. Identity
    numbers_49 123456789 = 100 Use only three plus or minus characters to correct previous identity/equation.
  2. Combine / add term
    combine Combine like terms 4c+c-7c
  3. Gardens colony
    kolonie Gardens colony with dimensions of 180 m and 300 m are to be completely divided into the same large squares of the highest area. Calculate how many such squares can be obtained and determine the length of the square side.
  4. Crates 2
    crate One crate will hold 50 oranges. If Bob needs to ship 932 oranges, how many crates will he need?
  5. Interior designer
    draperies To make draperies an interior designer needs 11 1/4 yards of material for the den and 8 1/2 yards for the living room. If material comes only in 20 yard bolts, how much will be left over after completing both sets of draperies?
  6. Points on line segment
    segment Points P & Q belong to segment AB. If AB=a, AP = 2PQ = 2QB, find the distance: between point A and the midpoint of the segment QB.
  7. Square area
    100-square Complete the table and then draw each square. Provide exact lengths. Describe any problems you have. Side Length Area .
  8. Shirt
    tricko Mrs. Vítková bought each of his three children the same shirt paid CZK 1,000. Saleswoman she returned 568,60 CZK. What was the price of one shirt?
  9. Chicks
    kuriatko How many chicks were hatched from 4500 eggs, when an average of 100 eggs hatched 87 chicks?
  10. Body diagonal
    kvadr Cuboid with base 7cm x 3,9cm and body diagonal 9cm long. Find the height of the cuboid and the length of the diagonal of the base,
  11. Cargo load
    truck_5 How many products weighing 12.5 kg can be loaded on a cargo car with a load of 1.5 t to load two-thirds?
  12. Cords joining
    snura_1 Mum needs 6 cords long 360cm long. How many does she need when they are sold at 9 meters and does not want to join it up?
  13. Line segment
    lines_5 Cut a line segment of 15 cm into two line segments so that their lengths are in ratio 2:1. What length will each have?
  14. Exponential equation
    exp_8 Solve for x: (4^x):0,5=2/64.
  15. Brackets 2
    brackets Add parenthesis to make true: 5-2×6-4+2=5
  16. Brick
    brick One brick is 2 kg and half a brick heavy. What is the weight of one brick?
  17. Garden
    garden_1 Area of square garden is 6/7 of triangle garden with sides 96 m, 60 m and 60 m. How many meters of fencing need to fence a square garden?
  18. Pool
    pool If water flows into the pool by two inlets, fill the whole for 9 hours. First inlet filled pool 8 hour longer than second. How long pool is filled with two inlets separately?
  19. Chocolate
    cokolada Charlie bought 7 same chocolates for 14 Eur. How many euros he pay for 27 chocolates?
  20. Forestry workers
    forestry_workers In the forest is employed 63 laborers planting trees in nurseries. For 11 hour work day would end job in 43 days. After 14 days, 22 laborers go forth. How many days is needed to complete a planting trees in nurseries by others, if they will work 15 hours

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