Rational numbers - 5th grade (10y) - math problems

Number of problems found: 26

  • Expression 8
    expr_1 Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2
  • About what
    flower_function How much and how many times is 72.1 greater than 0.00721?
  • Denominator
    fraction_half Calculate the missing denominator x: ?
  • Fractions
    cmp_fractions Sort fractions ? by its size. Result write as three serial numbers 1,2,3.
  • Aircraft
    787 If an airplane flies 776 km/h for 7.4 h, how far does it travel?
  • Morning
    clocks2_21 Jana rose in the morning in the quarter to seven. She slept nine and a half hours. When did she go to sleep?
  • Adding mixed 3
    mixed_fractions Why does 1 3/4 + 2 9/10 equal 4.65? How do you solve this?
  • Rolls
    rohliky Mom bought 13 rolls. Dad ate 3.5 rolls. How many rolls left when Peter yet put two at dinner?
  • Rounding
    periodic6 Double round number 727, first to tens, then to hundreds. (double rounding)
  • Clock
    clock2 What time is now, if the time elapsed after noon is 2/10 of time that elapses before midnight?
  • The temperature
    teplomer_26 The temperature at 1:00 was 10 F. Between 1:00 and 2:00, the temperature dropped 15F. Between 2:00 and 3:00, the temperature rose 3F. What is the temperature at 3:00?
  • Wire
    wire_1 From wire 53 meters long they cut of 12.1 m and then 13.1 m. How many meters of wire left?
  • On the trip
    skola_17 On the trip were more than 55 children, but less than 65 children. Groups of 7 could be formed, but groups of 8 no. How many children were on a trip?
  • Paper collecting
    sber At the paper collecting contest gathered Franta 2/9 ton, Karel 1/4 ton, and Patrick 19/36 tons of paper. Who has gathered the most and the least?
  • Milk
    milk_1 Mum bought 16 cartons of milk. One carton of milk weight 0.925 kg. How many weight all purchase?
  • Parcel service
    posta Parcel from U.S. to Slovakia costs 5.3 €. Parcel from Slovakia to the U.S. costs 49 €. Calculate how many times is Slovak Post more expensive than the U.S. parcel service.
  • President
    gasparovic President of Slovakia earns a monthly € 7844 per month. How many times earn than Jimmy's monther salary € 612? 15.3.2014 the presidential election, which decides who will almost effortlessly 5 years to receive such space salary for nothing;)
  • Wood
    wood_cube Wood cube with edge 11 cm weights 0.753 kg. What weight have 10, 100 and 1000 these cubes?
  • Floor
    map_mierka The floor area of ​​the room is 31 m2 and has a width of 4.3 m. How many centimeters of circumference measured floor on the map at the scale 1:75?
  • Math test
    logo_skola In class 6.A are 26 students and the teacher had managed to give tests to 13 students. 13 testes he gave in 6.5 min. How many pupils still haven't test? How long will it take techer to give tests to 43 students?

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