Examples for 4th grade
Number of problems found: 168
- The bookkeeper
The bookkeeper bought 45 copies of fairy tale books for CZK 120 and 65 copies of the encyclopedia for CZK 325. then he sold it in his shop like this: fairy tales for 135 CZK and encyclopedias for 360 CZK. What was the purchase price of the books? And the
- Fruit imports
Carriers import 18,324 kg of oranges from Spain. It was 16,857 kg less than mandarins and 2,645 kg more than bananas. a) how many kg did they bring mandarins? b) how many kg did bananas bring? c) how much total fruit?
- Loaded train
The whole loaded train weighs 360 tons. It has twenty wagons, each carrying 12 tons of grain. What is the weight of the locomotive?
- Butterflies and bees
There were 35 flowers in the garden. The butterflies were on 17 flowers. There were butterflies and bees on 8 flowers. Can you find out on how many flowers were only bees? Note. there was a maximum of one butterfly and a maximum of one bee on each flower.
- In the bowl
There are 12 pears in the bowl. Erik ate a third. How many pears remained in the bowl?
- Chess competition
4 chess players took part in the competition. How many tournaments have taken place if every chess player has fought everyone once?
Jannin knows that Mr. Robinson needs 14 tablets for a week's supply of an anti-inflammatory drug Mr. Robinson is going to vacation and needs a four week supply. How many tablets does Johnny need to fill his prescription?
- Saving money
Marko saved € 64. Milan saved 8 euros less than Marko. Marika saved 6 times more than Milan. Calculate who saved how much.
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
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 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)
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?
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.
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
The fishing boat caught 14 fish in one day. How many fish will catch four fishing boats in 8 days?