Maths practice for 11-year-olds. - page 161 of 197
Number of problems found: 3921
- Attempts 3460
How many attempts do I need to guess the 3-digit PIN to be sure I can guess it? - Tributaries 3458
At the swimming pool, they usually use three tributaries with the same power to fill the pool. Then the pool will fill in 5 hours. How many hours less would it take to fill the pool if they added 2 more inlets with the same capacity? - Connected 3457
There are eight places in Budan, some of which are connected by roads. There is a gate at every point where the road leaves or enters the city. No two paths intersect or enter through the same entrance. The number of gates matches one of the numbers 5,15, - Unknown number
I think the number: Its half is 16 more than his quarter. I think the number is N.
- Cooking on LPG
The gas bomb lasts 30 weekends for 2 hours of daily cooking. How many days will we be able to cook if we cook for 3 hours a day? - Chocolates 3448
If we pay 1.40 euros for two chocolates, how much will we pay for five chocolates? - Shelter 3446
The shelter buys a supply of food for 12 dogs for one week. How many days will this supply last if two more dogs are added to the shelter? - Add symbols
Add marks (+, -, *, /, brackets) to fullfill equations 1 3 6 5 = 10 This math problem is for the 4th grade of primary school - with no negative numbers yet. - Hectares
The rectangular land is 350m long and 200m wide. Calculate the area in hectares.
- Quarter 3421
Lukáš was saving for new roller skates. The first month he saved a third of their price, the second month a quarter, the third month half of the rest of the price, and the fourth month €25. How much € did the skates cost? - Popsicles 3419
Karel could buy 25 popsicles for 0.69 euros for the money saved. How many comics could you buy with this money if one costs 2.62 euros? - Correctness 3416
Calculate and verify the correctness of the test result: 12 (3c - 5) + 11 = 10 (8c - 7) - 16c - Cube walls
The wall of the cube has an area of 8 cm square. How many square cm is the surface of the cube? - Dimensions 3408
The room has 4m, 5m, and 2.4m dimensions. Suppose one can is enough to paint 10 m². How many cans of paint are needed to paint the walls and ceiling of this room?
- Timetable 3401
The train ran the distance between stations at a speed of 90km/h for 4 hours. What speed can he drive if, according to the new timetable, the journey takes an hour longer? - Cooking 3400
Cooking one egg takes 4 minutes. How many minutes does it take to cook four eggs? - Calculate 3398
How to calculate 2/5 m = x dm? - Consumption 3385
A liter of gasoline costs 1.516 euros. The average consumption of the KOLO car is 6.9 l per hundred kilometers. The car has a 40-liter tank. How much will the car owner pay for the trip from Zilina to Prague and back if he follows the 413km long route? - Equation 3364
Create a number snake from the equation and solve: 2x - 5 = 7 4x + 1/3 = 7 3 (x-2) +4 = 7
A box with six pieces of soap costs x crowns. How much will five pieces of soap cost?Do you have unsolved problem that you need help? Ask a question, and we will try to solve it. Solving math problems.
