Maths practice for 9-year-olds - page 5 of 20
Number of problems found: 400
- Extraordinary 67214
On January 1st, Stefan had 2156 euros in his bank account. He deposited 25 euros into the bank every month. In July, he made an extraordinary deposit of 1,520 euros; in September, he withdrew 987 euros. What is the account balance on December 31st? - Wednesday 67114
Emil and Erika are playing a board game. a) on Monday, they started playing at 17:36 and played for 45 minutes. What time was it when they finished? b) on Tuesday, they played from 4:47 p.m. Until half past six. How many minutes did they play? c) they pla - Marbles 3
Paisley has a bag of 16 green, orange, and yellow marbles. If there are eight green marbles, how many marbles have to be yellow for P(yellow) = 1/4? - Wendy
Wendy deposits R6500 into an account, paying 8% annual interest compounded monthly. How much money will be in her account after 84 months of paying 8% annual interest compounded continuously?
- Necessary 66394
Students of 4A bought three lockers and paid CZK 9,784 for them. Class 4B, it is necessary to buy five such cabinets. How much will they pay for them? - Green and red cubes
There are five green cubes (numbered 1 - 5) and four red cubes (numbered 1 - 4). How many ways can the cubes fit in a box that only needs two green and three red cubes? - Bicycles 66224
Mr. Veselý sells bicycles. In one month, he sold 14 bikes for 4530 CZK. How many crowns did he earn per round? - 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? - 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 - 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 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?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
