Maths practice for 11-year-olds. - page 170 of 224
Number of problems found: 4466
- Earlier 4970
Tomáš and Lukáš read the same book. Tomas read 21 pages a day and read it one day earlier than Luke, who read 18 pages a day. How many pages did the book have? - Kilometers 4969
The cyclist went on a trip. At first, he walked for 4 hours at an average speed of 29 kilometers per hour, then he slowed down, and for the next 2 hours, he walked at a rate of only 20 kilometers per hour. How many kilometers did he cover in total? - LCD 2
The least common denominator of 2/5, 1/2, and 3/4 - Father 4952
A father and son mow the lawn in 3 hours. How much would a father do on his own if they both cut just as fast? - Calculate
Calculate the area of a circle whose radius is 5 dm. - Annulus
The radius of the larger circle is 8cm, and the radius of the smaller is 5cm. Calculate the area of the annulus. - Handmade baskets
The worker knits the baskets, which are then sold in the market. He made seven baskets on Monday, one more each day than the previous day. How many times more baskets did he make untill the following Monday evening compared to the first day when he did no - Alarm clock
The old watchmaker has a unique digital alarm in its collection that rings whenever the sum of the alarm's digits equals 21. Find out when the alarm clock will ring. What is their number? List all options. - Three elephants
Three elephants eat three piles of hay in 150 minutes. For how long do 96 elephants eat 96 stacks of hay? - Time adding
Add and write the result again as hours, minutes, and seconds: 2hours45min15s + 1hr20m50s = - Rings - intersect
There are 15 pupils in the sporting ring. Ten pupils go to football, and eight pupils go to floorball. How many pupils go to both rings at the same time? - Study
For 7 hours of study, she scored a 75, so if she made 93, how many hours would she need to study? - Surface area
Calculate the surface area of a four-sided 2-m high prism whose base is a rectangle with sides of 17 cm and 1.3 dm. - Magic belt
The magic rectangular belt has the property that whenever its owner wants something, the length of the belt is reduced to 1/2 and the width to 1/3. After three such wishes, the belt had an area of 4 cm². What was its original length if the original width - Photo egative
Negative dimensions are 36mm and 28mm. What will the photo size be in the 21:4 ratio? - Decimetres 4911
The children threw the ball into the distance. The 1st child threw 27 meters. The 2nd part threw 180 decimetres. The third child threw 290 decimetres. Which child threw the farthest? - Water reservoir
The water tank has a cuboid with edges a = 1 m, b = 2 m, and c = 1 m. If we fill fifteen 12-liter cans, how many centimeters of water will fall? - Painting
To paint the pool with dimensions: 2 meters depth, 3m x 4m we bought paint to 50 meters square. How much "paint" will be wasted? - Photo enlarge
Mark wants to enlarge a 4-inch by 6-inch photo to 15 inches in height. Use a ratio table to determine the new width of the photo. - Oak cuboid
Oak timber is rectangular shaped with 2m, 30 cm, and 15 cm dimensions. Its weight is 70 kg. Calculate the weight of 1 dm³ of timber.
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
