Maths practice for 11-year-olds. - page 203 of 230
Number of problems found: 4584
- Football team
The football team has black, purple, and orange shirts, blue and white shorts, and striped and gray socks. How many different outfits may players start?
- Sick
Sick Marcel had already taken six tablets, which was a quarter of the total number of pills in the pack. How many pills were in the pack?
- Number
What number do I think? The third is 6, and a half is two more than its quarter.
- Cakes
A few cakes were in the bowl. Jane ate one-third of them, and Dana ate a quarter of the remaining cakes. a) What part (of the original number of cakes) Dana ate? b) How many cakes could be (initially) on the bowl?
- Calculate 2310
Calculate the root of the equation: x - (- 250) = - 500
- Glass
At the glass shop, we have to cut eight sheets of glass. Each was shaped as a square with sides of 18 cm. We paid 44 CZK. How much is 1 m² of glass?
- Penultimate 2303
In the last 20 minutes, six songs were played. Two were the same length, 2 minutes each, 49 s. The next two were 52 seconds longer than the previous one. The penultimate song lasted only 180 s. How long was the last song? The last song lasted. It could ha
- School library
The school library contains 6300 books. These comprise 7% of professional books for teachers, 18% of interest books and encyclopedias for pupils, and the rest of the fairy tales. How much are which books each type?
- Paper collecting
At the paper collecting contest, Franta gathered 2/9 tons, Karel 1/4 tons, and Patrick 19/36 tons of paper. Who has gathered the most and the least?
- Package
The package was 23 meters of textile. On the first day, it sold 12.3 meters. How many meters of textile remained in the package?
- The tap
For one day, 148 l of water came out of the tap. How much water will flow out for 3/4 days?
- Area of square
Calculate the area of the square whose perimeter is 24 dm.
- Family
Mom is 39 years old. Karl is eight, and Paul is four. In many years, would the mother be old, just like two children together?
- Seeds
Of the 72 wet seeds, 7/8 germinated. How many seeds germinate?
- Chocolate
Children break chocolate first to third and then every part of another half. What kind got each child? Draw a picture. What part would have been received if each piece had halved?
- Parallelogram
In the parallelogram, we know one internal angle of 67°33`. Calculate the other internal angles.
- Roses and tulips
At the florist are 50 tulips and five times fewer roses. How many flowers are in the flower shop?
- Dining tables
The dining room has tables with four chairs, six chairs, and eight chairs. How many diners must be at least to occupy all tables (chairs) and diners are more than 50?
- Fence
The square garden has an area of 537 m². How many meters of netting is necessary to fence it?
- Johnny
Johnny bought 28 CZK flowers for mum. He spent 4/7 of the money saved. How much money had he saved? How much money was left him?
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