Maths practice for 9-year-olds - page 6 of 23
Number of problems found: 460
- Beginning 66104
The kangaroo always jumps three steps up. Each time he jumps, the bunny jumps down two steps. On which stairs will they meet? The kangaroo stands on the 1st step at the beginning and the bunny on the 100th. - Competitors 64684
Six competitors reached the finish line of the 100-meter run. The following applies to their order: Cyril finished before Filip but behind Boris. Boris finished behind Andrej. Dušan was in front of Andrej but behind Emil. What was the order of the first t - Triangle from sticks
Bob the boulder has many sticks of lengths 3.5 and 7. He wants to form triangles, each of whose edges consists of exactly one stick. How many non-congruent triangles can be formed with the sticks? - A beauty
A beauty supply company has 53 liters of 5% hydrogen peroxide solution on hand and a nearly limitless amount of a solution containing 35% hydrogen peroxide. How many liters of the 35% hydrogen peroxide solution should the company add to the 5% hydrogen pe - Kilometers 63754
It is 716 km from Prague to Michalovce. How many kilometers did the bus driver travel when he drove this route back and forth ten times - Four-digit 63154
In entry 85 * 0, replace the asterisk with a number to give the smallest possible four-digit number divisible by 4. - A baker 2
A baker mixed 12 teaspoons of yeast and 114 teaspoons of salt to make one dough. How much yeast and salt are needed to make three doughs?
- The temperature 22
The temperature in a room in the morning is 28°C. It rises by 9°C in the afternoon before dropping by 11°C at night. What is the temperature in the room at the end of the day? - Corresponding
The set Z contains all natural numbers that are less than 11. Set A contains all even numbers belonging to the set Z. Set B is the set of all numbers that are multiples of 5 belonging to Z. Write all elements of the set Z in the corresponding dowry diagra - James 5
James has a personal injury protection policy that covers medical expenses for each person in, on, around, or under his car. Each person can collect up to $50,000. James is involved in an accident, and three people are hurt. One person has $23,000 in medi - Brno-Jihlava 61404
The driver delivers goods from Brno to Jihlava and Olomouc. The road to Olomouc leads through Vyškov. The distance between Brno-Jihlava is 93 km, Brno-Vyskov 32 km, and Brno-Olomouc 78 km. How many kilometers is the road from Vyškov to Olomouc? How many k - The highest
This year, the highest temperature in the Philippines was 53°C in Dagupan City, Pangasinan, on May 14, while the lowest temperature recorded was 9°C in Baguio City on February 12. What is the difference between the two temperatures? - 4 digit number
I am a four-digit number. My thousand period has a first digit, which is thrice the second digit, and the second digit is two more than the third digit. All the rest of the digits are zeros. What number am I? - The car
The car travels at a speed of 75 km per hour. If it travels evenly in 3 hours, how many kilometers will it cover? - Exchanged 59993
Lukáš and Laco exchanged stamps. Before the exchange, Lukáš had 25 more marks than Laco. After the exchange, he had more Laco marks. At least how many stamps does Laco receive from Lukáš?
- A test
A test has 20 questions. The test takes away 1 point if the answer is incorrect. A student answered eight questions incorrectly. How many points did the student lose? - The fence
How many pillars do we need for a 180 meters long fence? If the pillars are laid every 15 m, the fence must start and end with a pillar. - The freshman
The freshman was held at the activity center with 12567 seats. If people did not occupy 120 sets, how many seats are occupied? - Sultan
Sultan divides three pieces of paper into fifths. How many fifths does he have? What expression represents the situation above? - Get married
My grandmother married at the age of 21, and her grandfather was 25 at the time. Today, the old father is three times older than at the wedding. How old are they today?
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