Maths practice for 11-year-olds. - page 201 of 230
Number of problems found: 4584
- Intersections 2557
How many intersections do circles with radii of 10 cm and 6 cm have if the distance between their centers is 3 cm? - Master and apprentice
Master painted the roof in 3 hours and apprenticed for 4 hours. How many roofs do they paint an hour, and how many in three-quarters of an hour? - Two monuments
The distance between two historical monuments on a map with a scale of 1:500000 is 48 mm. Find the actual distance between these monuments in km. - Lcd3
What is LCD of the equation of x/2 + 1/3=5/2 ? And what is x? - Brigade - railing
Jonza and Ondřej had the task of painting 1,000 pieces of processed wooden railing parts on a joint brigade. On the first day, Honza painted 153/1,000, Ondřej 14/100. Which of the boys worked faster? How many pieces still need to be painted? Estimate how - Determine 2510
Anna, Peter, Rado, Mišo, and Tomáš shared the amount of 250 euros in the ratio 1:1:1:1:1. Find how much each of them received. - Apples 3
Julka has five apples more than Hugo and four apples less than Annie. Hugo has 17 apples. How many apples have Julka, and how is Annie?
- Chocolate
I eat 24 chocolate in 10 days. How much chocolate do I eat in 15 days at the same pace? - Bus tickets
A bus ticket for a trip from Prague to Paris costs 2180 CZK. A return ticket costs CZK. How much money will a family of four save from going to Paris and back when they purchase return tickets? - Fractions mul add sum
To three-eighths of one-third, we add five-quarters of one-half and multiply the sum by four. How much will we get? - One-thirds 2485
Three classmates bought apples. Peter bought two whole one-thirds of the kg, Spring 5 sixths of a kg less than Peter and Daniel 2 times as much as Peter. How many kilograms of apples did the boys buy together? - One-quarter 2484
Mom baked a bowl of cookies. The son took two-fifths of the cookies and the daughter one-quarter of the rest. What part was left to the parents? - Mr. Zucchini
Mr. Zucchini had a rectangular garden whose perimeter was 28 meters. The garden's area is filled with just four square beds, whose dimensions in meters are expressed in whole numbers. Determine what size could have a garden. Find all the possibilities and - Distance 2469
How many seconds will the car cover a distance of 50 meters at a speed of 100 km/h? - Decide
The rectangle is divided into seven fields. In each box, write just one of the numbers 1, 2, or 3. Mirek argues that it can be done so that the sum of the two numbers written next to each other is always different. Zuzana (Susan) instead argues that it is
- Water in body
Water in the human organism of all the compounds represented constitutes about 3/5 of the total weight. How many kilograms of water is in your body when you weigh 51 kg? - Saving
The boy has saved 50 coins, € 5, and € 2. He saved € 190. How many were € 5, and how many were € 2? - Aircraft nose down
How long will an airliner fall from a height of 10000 m at a speed of 1,000 km/h? - Harvester
The harvester has a cutting width of 4 m, and the harvested grain in the field is 87 meters wide. Harvester moves along the field's length for six minutes; going back (without cutting) takes half the time. Each turn at the end field takes one minute. How - On the farm
On the farm, 70 heads of cattle were housed with a food supply for 180 days. After 60 days, ten heads of cattle were sold, and for the next 30 days, they sold ten more. How many days is a sufficient supply of feed for the remaining cattle?
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