# Examples for 4th grade

- Football field

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

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

Calculate the square area if its perimeter is 14dm. - Ten pupils

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

Boris spent 324 €. Robo spent 130 € more. How much did they spend together? - Photo frame

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

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

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

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. - Fishing boat

The fishing boat caught 14 fish in one day. How many fish will catch 4 fishing boats in 8 days? - Pimps

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

Find the four times smaller number for numbers 12 and 36 and then add them. - A koala

A koala lives to be 14 years old in the wild. How much longer will a 2 year old koala probably live? - Grandma

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

Each chair costs twice less than two tables. One table costs 720 Czech crowns. How many crowns are the table and 4 chairs? - Baking

There are 28 bunches, and son ate 1/2, dad ate four bunches. How many of them remain on the baking dishes? - Morning

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

Place+values x ten thousands =30 thousands - Third of an hour

How many minutes is a third of an hour? Do you know to determine a third of the lesson hour (45min)? - 3 cats

3 cats eat 3 mice in 3 days. How many mice will eat 10 cats in 10 days?

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