Maths practice for 11-year-olds. - page 81 of 226
Number of problems found: 4511
- Main/central vertex
ABC is an isosceles triangle with base BC and central vertex A. The angle at vertex A is 18°. What will be the size of the angle at vertex B? - Shortcut
The road from the cottage to the shop 6 km away leads either along a straight road that the bicycle can drive at a speed of 18 km/h or by "shortcut". It measures only 3.6 km. But the road from the cottage is all uphill - at a speed of 8 km/h, you can go h - Garden fence mesh
My grandfather made a fence around his rectangular garden measuring 7.2 meters and 12 meters. How many meters of mesh did he have to buy, and how much did he pay if one meter of mesh was € 5.90? - Row for lunch
There are less than 66 people in a row for lunch. In front of Eve, there are 28 students. Behind Martin, there are 30 people. Between Eve and Martin, there are 17 people. How many students would stand behind Eve if Martin stood in front of Eve? - Consecutive odd sum
The sum of three consecutive odd numbers is 183. What is the largest of them? - Simplify:
Simplify: 8(−9 − 5x) + 4b use x = 9 and b = −9 - Tank filling height
62.8 hl of water per hour flows through the pipe into an empty cylindrical tank with a bottom diameter of 8 m. In 4 hours, the tank will be filled to what height? - Potato harvest yield
Peter planted 220 kilograms of seed potatoes and harvested twelve times as much. One-sixth of the harvest was set aside for next year. How many tons of potatoes were left for eating? - Seconds flying
The hot air balloon flew for 8 hours, 8 minutes, and 8 seconds. How many seconds did it take to fly 10 hours? - Pipeline length
The new water supply pipeline is to be 1.2 km long. Employees put it from both ends. On one side, 0.492 km of pipeline is laid, and on the other side, 53,500 cm of a pipeline. How many meters of pipe are left to lay? - Jug water volume
We filled half the jug with water. We poured this water into quarter-liter cups. Five cups filled to the brim, the sixth only half its volume. What is the volume of the pitcher? - Cylinder volume rectangle
We rolled up the shell of a 4 cm high rotating cylinder from a rectangle measuring 6 cm and 4 cm. Find the volume of the cylinder. - Flour bag remainder
They have 36 kg of flour in 9 identical bags in the school cafeteria. They used six bags of flour for baked buns. How many kilograms of flour do they have left? - Glass pendant weight
Calculate the weight of the pendant - a regular four-side prism made of glass. The density of the glass is 2.5 g / cm3, the edge of the base is 2 cm, and the height of the pendant is 5.5 cm. - Diesel tank level
The diesel tank is shaped like a block measuring 4.5 m x 3.2 m. If it contained 216 hl of diesel, what was its level? - Minute hand What is the distance the clock's minute hand travels in 12 minutes if the clock's diameter is 30 cm and the hand extends to a distance of 2 cm from the edge of the clock?
- Ratio difference product
Find the product of the ratio and the difference between the numbers 16/3 and 3.2 - Candy fraction sharing
Dana had 48 candies and offered them to her friends. Anna took a third, Bety a sixth, and Charlotte an eighth of all sweets. How many candies did she take? - One fourth
One-fourth of an apple pie is left for two family members to share equally. What fraction of the original pie will each member get? - Birthday party
Jay brought two pizzas for his birthday party. At the birthday party, they eye 1 4/7 pizzas. What's the fraction of pizzas they have left?
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