Maths practice for 11-year-olds. - page 208 of 230
Number of problems found: 4584
- Dairy
Diary workers calculated that, according to the standards, the 108 liters of milk can produce 9 kg of cheese. According to norms, how many tons of cheese could be made from milk from 100 cows devoted for 30 days with an average daily milk yield of 10 lite - Round it
0.728 round to units, tenths, hundredths. - Subtraction
Test what you know about the subtraction of two numbers: a) make a difference if the minuend is 4,307,288 and the subtrahend is 472008 b) minuend is 4000 more than subtrahend. What's the difference? c) the difference is 38900 less than the minuend. What i - Ski tow
The ski club has 168 pupils and uses a lift with 60 seats. Students always follow the same sequence in filling seats. How often does a skier sit in the same seat as the first run while riding a ski lift? - Trapezoid ABCD
ABDC is a trapezoid in which AB and CD are parallel sides measuring 6 and 9, respectively. Angles ABC and BCD are both right angles. Find the length of segment BD. - Water tank
The water tank shape of the cuboid has dimensions of the bottom 7.5 meters and 3 meters. How high will reach the water in the tank will flow 10 liters of water per second, and will the inflow be open for 5/6 hours? (Calculate to one decimal place, and the - Runners
Thirty chocolates are prepared and distributed in the ratio of 3:2:1 for three runners (in first to third place). How much chocolate will get everyone?
- Father and son
The father is 44 years old, and his son is 16. Find how many years ago the father was five times older than the son. - Cake fractions
Thomas ate 1/3 of the cake, and Bobby ate 2/5 of the rest of the cake. What fraction of cake is left over for others? - Pumps
Six pump fills the tank for three and a half days. How long will fill the tank with seven equally powerful pumps? - Apples
Mr. Vesely gives the market his own 48 kg of apples, 40 kg from Mr. Kovar, and 72 kg from Mr. Novak. They earned a total of 1,920 CZK. How must we divide income money for apples? - String
Divide the string length 800 cm in ratio 1: 5 - The exhibition
The teacher charged 280 CZK for four students' admission to the exhibition. How many students were at the exhibition? Hint: the admission cost is a whole number. - Lesson exercising
In the lesson on physical education, pupils are first divided into three groups so that each has the same number. They redistributed, but into six groups. And again, it was the same number of children in each group. Finally, they were divided into nine eq - Rabbit family
The rabbit family ate 32 pieces of carrots. The small one ate six pieces, and the dad five more than the mother. How many pieces did Mom eat?
- Wood
Wood density is 0.6 g/cm³. How many kilograms weigh one m³ of wood? - Wallpaper
Salesman account for 2.3 meters of wallpaper 149.50 Kc. How much cost 1 meter of wallpaper? - Angles in triangle
Calculate the angle alpha in the triangle if the beta is 61 degrees and 98 gamma degrees. - Circle - easy 2
The circle has a radius of 6 cm. Calculate its diameter, perimeter, and area: - Bicycle wheel
The bicycle wheel diameter is 62 cm. How many times turns the bicycle on the road 1 km long?
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