Maths practice for 11-year-olds. - page 128 of 222
Number of problems found: 4427
- Calculated 8085
Roza calculated that if she read ten pages a day, she would read the whole book in 18 days. After a week, however, she decided to read one more page a day. How many days will he read the entire book? - Expenditure 8083
One paid 500 CZK. Three paid in a ratio of 3:4:5. The smallest expenditure was CZK 360. How much was the total expenditure? - Meeting 8082
George makes steps 60 cm long. He will take 1530 steps on the way to school. How many steps will his father take to the class meeting if he makes steps 85 cm long? - Distance 8080
The driver covered the distance between the two cities in 2 hours at an average 75 km/h speed. How did he change speed to get 20 minutes faster? - Cleaning the pool
The swimming pool is 25 m long, 12 m wide, and 2 m deep. The walls and bottom of the pool require regular cleaning. The company that cleans the pool charges CZK 50 per 1 square meter. How much does the owner pay for cleaning the pool? - The King
The King wants to divide his sons equally. He has 42 rubies and 45 diamonds. How many sons and how will they share them? - Rectangular 8065
Monika has a step 5dm long. How many steps will he take before going around a rectangular course 500dm long and 200dm wide? - Difference of a half
Calculate three times the half difference of 7.5 and 2.1, - Area of rectangle
If we increase the length by twice and decrease the width by half, how many times will we increase the area of the rectangle? - Calculate 8059
Calculate the magnitude of the third interior angle in triangle ABC when alpha = 30 °, beta = 60 ° - Tributaries 8056
The pool is filled with three identical tributaries in 12 hours. In how many hours will only two tributaries fill it? - People 8055
In 12 days, ten people will dig a 3km cable car. In how many days will five people dig it up? - Basket 8054
There were 16 buns in the basket on the table. Josef ate half of it, Eva ate the rest, and Duncho ate it. How much did Dunco eat? - Spruce wood
Calculate the weight of an edge made of spruce wood 6m long when the cross-section of the edge is 146cm square and if the density of the wood is 0.55 grams/cm cubic. - Calculate 8039
Peter built a cube in Ostrava, each wall with a unique QR code. The edge of the cube is 107 cm long. Calculate how large an area its author had to cover with white and black. - Birthday 8033
Adam's birthday is on Monday, and Eva's 66 days later. Which day of the week will it be? - Flowerbeds
What is the smallest length of flowerbeds we must prepare to plant seedlings at grids of 20,30,25,40 cm? - Conference 2 Nine people attended a conference on behalf of their company. The conference fee was £520 per person, and the company paid £856 in travel costs for the nine people. How much did the conference cost the company altogether?
- Identical 8015
When buying two identical T-shirts, the discount on the second is SKK 60. If Ondra pays CZK 170 for both T-shirts, how much does one T-shirt cost? - The cube
The cube has a 25 cm edge. We cut it into small cubes with 5 cm long sides. How many of these little ones are left when we build a new cube of 20 cm in length?
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