Maths practice for 12-year-olds - page 96 of 350
Number of problems found: 6985
- Ron walked
Ron walked 3 3/4 km on Monday, 4 1/3 km on Tuesday, and 2 7/12 km on Wednesday. What distance did he walk in all? - Fabric length
Meg has 5 3/4 yd of fabric. She needs 1 1/8 yd to make a vest and 2 1/2 yd to make a skirt. How much fabric will be left for a jacket? - Hectoliters 68174
In the meat atlas published by the Jindřich Boll Foundation, it is stated that one kilogram of meat requires 6.5 kg of grain, 36 kg of feed mixture, and 15 cubic meters of water. Laura's slice of beef in the burger weighed 45 grams raw. How many kilograms - Consecutive 68154
Determine the group of numbers for which the following relations hold: a) The sum of the searched three consecutive even numbers equals 978. b) The sum of the searched four consecutive odd numbers equals 312. - Possums
1/3 were kangaroos, 2/5 were wallabies, and the rest were possums. What fraction of the animals were possums? - Centimeters 68084
The cube-shaped container has a surface area of 320 square centimeters without a lid. Calculate its volume. - Clearance - vacation
The Sobotkas checked their suitcases for clearance when they were leaving for their vacation. Their four suitcases had weights of 3 : 4 : 5 : 8. The total weight of all four suitcases was 60 kg. The maximum weight allowed for one piece of luggage is 25 kg - How many 21
How many tiles of 2m by 2m in size can fill the floor of a room with a size 16m x 12m? - The perimeter 8
The perimeter of a rectangle is 40cm. If its width measures 5cm, what is its area? - A piece 5
A piece of cloth is laid at the center of a table 80 cm long and 60 cm wide, and it leaves 5 cm all around. Find the area which is not covered by the piece of cloth. - Cube-shaped 67884 The cube-shaped drawer has an area of 405 dm square. Calculate the volume of this drawer.
- Collection 67874
In his stamp collection, Radek had half of the Czech stamps, a third of Slovak stamps, and just 128 overseas stamps. Radek did not collect any other stamps. Calculate how many stamps Radek had in the collection. - Ten-thousandths 67844 Calculate how many times six-hundredths is greater than 12 ten-thousandths.
- Calculate 67814
Two workers work in a workshop to produce the same product. The first worker worked 184 hours per month and produced 656 pieces of the product. The second worker worked 177 hours per month and produced 830 pieces of products. Calculate the hourly output o - Steamers 67804
Two steamers set out on a voyage from the same port. The first steamer returns to port every fourth day, and the second steamer returns every fifth. How many days do they meet again? - Calculate 67794
Calculate the volume of the cuboid in the given unit if you know the lengths of its edges. A) a = 20 cm, b = 3 cm, c = 7 cm, (length) B) a = 10 mm, b = 8 mm, c = 9 mm, (ml) C) a = 30 cm, b = 5 cm, c = 8 cm, (l) D) a = 300 mm, b = 4 m, c = 7 dm, (hl) - Determine 67764
The barrel filled with asphalt has a diameter of 60 cm and a height of 100 cm. The weight of the asphalt in it is 390 kg. Determine the density of the asphalt. - Isosceles 67744
Two isosceles triangles have the same angle at the vertex opposite the base. The first one has a base of 12 cm and a leg of 9 cm. The other has a 16 cm long base. Calculate the perimeter of the second triangle. - Measuring 67734 The candle is shaped like a block measuring 3 cm, 4 cm, and 5 cm. If we gradually enlarge one, two, and all three edges twice, how many times is more wax used to make a candle?
- Corresponding 67714
The quadrilateral prism has a volume of 720 cm³. Calculate the height of the prism if the base is a rhombus with a side 16 cm long and a corresponding height of 5 cm.
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