Maths practice for 11-year-olds. - page 90 of 230
Number of problems found: 4584
- Minutes 40411
What path will the end of the second hand make in 24 minutes if it is 5 cm long?
- Attic space
Determine the volume of the attic space: width 360 cm height 620cm length 450cm
- Cubic inches to cups
5-3/8" x 4" x 2-5/8" container. How many equal cups?
- The volume
The volume of the rotating cone is 376.8cm³. The height of this cone is one dm. Calculate the diameter of the cone base.
- Oil tank
There is 67 m³ of oil in the tank. What is its weight? The density of the oil is 910 kg/m³.
- Material substance
A body made of a substance has a volume of 0.860 m³ and a weight of 0.004 t. What is the density of this substance?
- Signs 40171
Fill in the signs to apply 5 5 5 5 5 = 14
- Simultaneously 40161
Two differently set metronomes used in music education to keep rhythm were started simultaneously. The first beeps after 3 seconds and the second after 7 seconds. How often will the beep sound together between the 1st and 2nd minutes?
- Pedestrian 40151
The pedestrian will drive 5 km in 1 hour The car will travel 90 km in 1 hour How many times is a pedestrian slower than a car?
- Pizza fractions
Ann ate a third of a pizza and then another quarter. Total part of pizza eaten by Ann and how much pizza is left?
- Consumption 40011
Karel calculates the consumption of paint for coating the floor in the clubhouse. The clubhouse is 3.4 m long and 2.5 m wide. 0.7 kg of paint is used per 1 m². One can contain 0.8 kg of paint. Calculate the total consumption of paint. How many cans of pai
- Thousandths
If you have a number 0.08, what is the form in thousandths?
- Fireplace 39711
The cottager, Mr. Winter, wants the lower part of the trunk of a felled oak, which has a length of 2.25. cut new seats for the fireplace. Each seat will be a log with a height of 0.4 m. How many will Mr. Winter cut in total?
- Unknown number
If we subtract three from the unknown number, we get just as much as if we subtract seven from the unknown number and we multiplied the result by 2.
- Dimensions 39561
The pool in the New Garden is 2 meters deep. It has a block shape with bottom dimensions of 10m and 15m. How many square tiles did they use to line the pool inside?
- The perimeter
The triangle has one side 5 cm long and another 11 cm long. What can be the smallest, and what is the largest perimeter?
- Find unknown number
What is the number between 50 and 55 that is divisible by 2,3,6,9?
- Measuring 39453
Before the holiday, Mom bought 2 towels measuring 90cm x 120cm, 4 towels measuring 70cm x 100cm, and 3 small towels measuring 40cm x 60cm. They were all made of the same material. She washed them at home and left them to dry on the balcony. How long did i
- Producing books
How many m² of paper is needed to produce a book with 200 pages when one page is 24 cm and 15 cm?
- Transported 39423
A maximum of 15 people can fit into one cabin on Lomnický štít. The cable car runs every 20 minutes, and the journey takes 15 minutes. In the shortest time, can 52 ninth graders there on a trip be transported to Lomnický štít?
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