Maths practice for 9-year-olds - page 12 of 23
Number of problems found: 460
- Arithmetic 6299
We entered the number 5068 into the calculator and performed an arithmetic operation, after which the number 2725 appeared on the display. Which function did we choose? - Daughter 6165
His father is 43 years old, and his daughter is 17. How many years ago was a father three times older than a daughter? - Kilometers 6158
Cycling races have 5 stages. They are 181km, 212km, 188km, 207km, and 189km long. And how many kilometers is the entire route of the race? b, how many kilometers would it measure if the longest leg were halved? c, how many kilometers would it measure if t - Participated 6153
63 boys and seven times fewer girls took part in the tournament a) how many girls participated in the tournament b) how many girls and boys were in the tournament together - Expeditions 6119
There are 99 athletes on the American team. There were 35 more athletes in the Japanese expedition than in the American one. There is an eighth less in the Czech expedition than in the Japanese expedition. How many athletes are there on individual expedit - A rectangular
A 40 m long and 30 m wide rectangular garden is to be fenced with fence posts at each corner. All the other posts will be 5 meters apart. How many posts will be needed to fence the garden? - The school The school has 268 boys. Girls are 60 more than boys. How many children are there at school?
- Flour
2 kg of flour costs 100 CZK. How much does it cost for half a kilogram? - Petko 5945
Petko and Lenka are two years older than Jana. Jana is eight years old. Petko is two years older than Lenka. How old is Lenka? How old is Petko? - International 5838
An international peace marathon is held in Košice every year. Runners run 42km and 195m. If the rule were that after every 7 km, the competitors could have refreshments, how many times could they have refreshments during the entire run? - Circuits 5829
Hanka pulls the sled up the hill in 18 minutes. Going down the slope is nine times faster. How many minutes did she sled when she did four circuits? - Branches 5825
Parrots, a few of them flew around and sat down anyway. 3 on the dog's back. There are 29 parrots. There were 9 more sitting than flying. 6 more sat on the branches than on the grass. How many parrots were still flying? How many were sitting on the branch - Favorite 5824
Richard has read 81 pages from his favorite book. He liked to read nine times fewer pages from his favorite book. How many pages did Rado spend? How many pages did they read together? - Greater 5817
Which number is six times greater than 8? Which number is six greater than 8? - Hotel
The rooms in the mountain hotel are double and triple. Double rooms are 25, and triple rooms are 17 more. How many rooms are there in this hotel?
- Expensive 5658
An unnamed brand TV is the store's fifth most expensive and tenth cheapest TV. How many different TVs are there in the store? - State border
The length of the state border of the Czech Republic with Germany is 815 km, with Poland 713 km, Slovakia 265 km, and Austria 443 km. With which state do we have the longest (shortest) common border? How many kilometers are our state borders in total? - Shipments 5620
If you know that a quarter of a mail order and 300 grams weigh the same as the whole shipment, then how many grams do two such shipments weigh? - Grapefruits 5616
Nine oranges weigh as much as six grapefruits. One grapefruit weighs 300g. How much does one orange weigh? - Individual 5544
From 5 girls and four boys, we have to choose one pair, boy and girl. List all the pairs in which the individual boys will be. Attention, these are four examples. How many pairs are there?
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