Rational numbers - 5th grade (10y) - math problems
Number of problems found: 26
- Expression 8
Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2
- About what
How much and how many times is 72.1 greater than 0.00721?
Calculate the missing denominator x: ?
Sort fractions ? by its size. Result write as three serial numbers 1,2,3.
If an airplane flies 776 km/h for 7.4 h, how far does it travel?
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
Why does 1 3/4 + 2 9/10 equal 4.65? How do you solve this?
Mom bought 13 rolls. Dad ate 3.5 rolls. How many rolls left when Peter yet put two at dinner?
Double round number 727, first to tens, then to hundreds. (double rounding)
What time is now, if the time elapsed after noon is 2/10 of time that elapses before midnight?
- The temperature
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?
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
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
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?
Mum bought 16 cartons of milk. One carton of milk weight 0.925 kg. How many weight all purchase?
- Parcel service
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 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 cube with edge 11 cm weights 0.753 kg. What weight have 10, 100 and 1000 these cubes?
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
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?