Maths practice for 11-year-olds. - page 17 of 229
Number of problems found: 4579
- On a bicycle 5
Klára left Hořické náměstí on her bicycle and rode to Hradec Králové at an average speed of 20 km/h. Jenda left the same square on his bicycle 15 minutes after Klára left and moved in the same direction as Klára at an average speed of 30 km/h. How long di - A quarter of a gram
How much is three-quarters of 200 grams? - Cyclist 30 A cyclist covered a distance of 18 km in 32 minutes at a constant speed. What distance in kilometers would he have covered at the same speed in 80 minutes?
- Books 4
A student read 30 pages in 6 days. He read 75 pages in x days. Calculate x. - Express the unknown
Calculate the unknown from the formula p=F: S Express the unknown F - Teeth
An adult has a total of 32 permanent teeth. How many of them are molars if 1/4 of the teeth are incisors, another quarter are molars and the remaining quarter are canines? - Fuel and oil ratio 2T
Add 4 liters of gasoline with oil in a ratio of 33:1. How much oil is needed?
- Evaluate expression
Evaluate the expression written in words: -1 and two/7 + parenthesis -2 and one/4 end of parenthesis + 1/two = - Average 110
The average of five numbers is 1.3 their sum is? The arithmetic mean of the numbers 0.04; 0.014; 0.21 is? The arithmetic mean of four decimal numbers is 2.5. Three of these numbers are 1.8; 0.65; 3.1 the fourth number is? - Buses 7
Two lines leave the bus stop according to the schedule A) 8:00 every 6 minutes until 23:00h B) 8:00 every 14 minutes until 23:00h How many times will buses of both lines leave the bus stop simultaneously between 8:01 and 20:00? - Unknown fraction
2/6 + fraction = 1 - Cinema visitors
There are 35 seats in each row of an open-air cinema. Determine the maximum number of visitors that can fit in the viewing area, if we know that there are more than 705 and less than 740. - Concert organizers
800 people came to the concert, a quarter more than the organizers expected. How many people did the organizers expect? - Children - dividing
What is the least amount of nuts we need to have to divide them among 10, 12, and 18 children? - Quarter 84177
We used one-quarter of the coal we bought, leaving us with 12 q. How much coal did we buy?
- Animals - pasture
There are a total of 195 animals on the pasture - sheep, goats, calves. There are half as many sheep as goats and twice as many calves. How many sheep are there on the pasture? - Cutting a cuboid
A cuboid can be cut into 200 cubes, each with a volume of 8 dm cubic. Calculate how many cubes with a volume of 1 cm cubic can this cuboid be cut into without a remainder. - Arithmetic 84171 The arithmetic mean of two numbers is 10. One of the numbers is 2. What is the second number?
- TEV physical education
The students lined up in threes in a physical education class, then in fours, and there was always one extra student. What is the least number of students that could be in the gym? - At the post office
Maria paid three checks at the post office with a hundred-euro banknote. One for €19.95, the second for €50, and the third for €24.65. Each check was charged €1.40. How many euros did she receive?
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