Maths practice for 9-year-olds - page 9 of 19
Number of problems found: 362
- Third of an hour
How many minutes is a third of an hour? Do you know to find a third of the lesson hour (45min)? - 3 cats
Three cats eat three mice in 3 days. How many mice will be eaten by ten cats in 10 days? - Sum-add-multiply
Increase the product of numbers 7 and 8 by the sum of numbers 7 and 8. - Adding shapes
Five triangles + 1 square = how many sides in all?
- Fifteen 6468
Fifteen horses consume 1050 kg of oats per week. How many times do three horses consume less than 15 horses? - Yesterday 6386
The student was nine years old yesterday. How many days old is he? When a year has 365 days. And don't forget how much is a leap year. - 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 - 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 rectangular garden 40 m long and 30 m wide 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? - 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? - 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 is 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? - (shortest) 5654
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?
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