Maths practice for 12-year-olds - page 151 of 361
Number of problems found: 7210
- The length 2
The length of a rectangle is 12y² – 15y + 8, and the width is 7y – 11. Find the area of the rectangle. - Rita has
Rita has 3/4 m of Ifugao cloth. She used 2/3 m for placement. What part of Ifugao cloth was left? - Leo hiked
Leo hiked 6/7 of a kilometer. Jericho hiked 2/3 kilometers. Who covered a longer distance? How much longer? - The boy
The boy scouts spent 10/12 hours doing their daily exercises. They only used 1/4 hour in hiking. How much time did they use for other body exercises? - Curtain
Mrs. Lazo bought a 9 1/8 m curtain cloth. She used 3 5/6 m to make a curtain for their bedroom. How many meters of cloth were not used? - Faye had Faye had a piece of ribbon. After using 3/8 meters for her headband, she had 1/4 meter left. How many meters of ribbon did she have at first?
- Mrs. Susan Mrs. Susan bought 3/5 m of curtain cloth. She used 1/8 m to make a curtain for the living room window. How many meters of cloth were not used?
- Travel 40801
The Earth is moving at a speed of 29.8 km/s, and what track will the Earth travel in an hour? - Leftover
Amos's salary is $2400 a month. He spends $1000 on rent. What is the fraction of his rent left? - Brno-Tachov highway
The distance Brno-Tachov is 360 km. At 8:00 AM, a car travels from Brno on the highway at an average 90 km/h speed. An hour later, a vehicle leaves Tachov towards Brno, whose average speed is 110 km/h. Calculate how far apart they will be at 11:00 AM when - Determine
Determine the salary of a part-time worker if the employer deducted (taxes, etc.) 840 euros from him, which was 6/50 of his salary. - Erik Three friends, Peter, Erik, and Milan, shared 420 euros in a ratio of 1:2:3. How many euros did Erik get?
- The reservoir
The reservoir is a sphere with a diameter of 7.5 m. How many hectoliters can it hold at maximum capacity? - Barrel-shaped 40601
The barrel-shaped cylinder has a volume of 9.42 hl, and the inner diameter of the bottom is 12 dm. Calculate the area of the barrel shell in m². Solve in general first. - Divisors 40571
All common divisors of headings 90 and 48
- Together 40541
The first bus leaves every 10 minutes, the second every quarter of an hour, and the third every 18 minutes. At noon, all three lines left together from the station U Kachny. At what time did all the lines go again at the same time? - Purchases 40501
The Kováčov family makes a purchase at a nearby store once a week for €45. After the opening of the new shopping center, the family's monthly purchases are a tenth cheaper. Calculate how many euros the Kováčovci will pay per week for shopping after the op - Students
There are 2/6 girls out of 1050 students at the school. Of these, 4/5 have another sibling. How many girls are in school? How many boys are in school? How many girls do not have a sibling? - Minutes 40411
What path will the end of the second hand make in 24 minutes if it is 5 cm long? - Circumference 40401
Calculate the diameter of a circle whose area in cm² and the circumference in cm are expressed by the same number.
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