- 4th grade - math problems

Number of problems found: 177

  • Sit-ups
    telocvik Vojta strengthens for 8 weeks. In the first week he did 5 sit-ups a day. Every next week he did 1 more per day than in the previous week. How many sit-ups has Vojta made?
  • Football field
    playground The soccer field may have a width of 45 meters. This is 45 meters less than the length of the course. What can be the length of the football field?
  • The machine
    resistor The machine works 7 hours a day and produces 1 part in 5 minutes. How many parts will it produce in 1 hour? How many parts will it produce in 1 day?
  • Calculate
    square Calculate the square area if its perimeter is 14dm.
  • Ten pupils
    venn 10 pupils came to the art group. 8 pupils painted with watercolors and 9 pupils painted with ink, each pupil painted with ink or watercolors. How many pupils painted water and ink at the same time?
  • Spending money
    penize Boris spent 324 €. Robo spent 130 € more. How much did they spend together?
  • Photo frame
    photo A square shape photo with a side length of 20 cm is framed by a 4 cm wide bar. Find the external frame size of this photo (the frame is from all sides)
  • Pupils
    venn_intersect There are 27 pupils in the classroom. They can swim 21 and ski nine pupils. Neither swim nor ski three pupils. How many pupils can swim and ski?
  • Small painters
    venn_intersect There are ten pupils in the painting group. Eight pupils paint with watercolors and nine pupils with tempera colors. How many pupils paint both water and tempera colors when each pupil paints?
  • Eggs
    egg 3400 eggs sliced hens for February and March. We have to calculate how many hens can make 3400 eggs when one hen give 2 eggs a day for 59 days.
  • Wafers
    cukrrka They used 200 pieces to make wafers. 157 topped with caramel topping and 100 with sugar topping. How many wafers did both toppings have?
  • Fishing boat
    rybnik The fishing boat caught 14 fish in one day. How many fish will catch four fishing boats in 8 days?
  • Pimps
    pirohy There were 24 pimps in the plate. Maros ate 12, his little sister four times less. How many pimps remained in the plate?
  • Two numbers
    scientific Find the four times smaller number for numbers 12 and 36 and then add them.
  • A koala
    koala A koala lives to be 14 years old in the wild. How much longer will a 2-year-old koala probably live?
  • Grandma
    egg Grandma bought two 10 pack of eggs. She used 8 eggs on the cake, 2 times less on the omelette and 4 more eggs for breakfast. How many eggs did it stand for?
  • Each chair
    stol Each chair costs twice less than two tables. One table costs 720 Czech crowns. How many crowns are the table and four chairs?
  • Baking
    buchty There are 28 bunches, and son ate 1/2, dad ate four bunches. How many of them remain on the baking dishes?
  • Morning
    clocks2 Jana rose in the morning in the quarter to seven. She slept nine and a half hours. When did she go to sleep?
  • Written number
    numbers2 Place+values x ten thousands =30 thousands

Do you have an exciting math question or word problem that you can't solve? Ask a question or post 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...