Maths practice for 12-year-olds - page 74 of 350
Number of problems found: 6996
- A small 2  A small bottle contains 1 9/12 L of fluid. A big bottle contains 2 7/15 L of fluid. What is the capacity of both bottles? A small bottle contains 1 9/12 L of fluid. A big bottle contains 2 7/15 L of fluid. What is the capacity of both bottles?
- Ron has  Ron has 4 2/3 liters of oil. He kept 1 1/4 liters and divided the rest into parts of 3/4 liter each. How many parts did he make? Ron has 4 2/3 liters of oil. He kept 1 1/4 liters and divided the rest into parts of 3/4 liter each. How many parts did he make?
- Two boxes 3  Two boxes of pizza of the same size are left on the table. One box has 1/2 of a pizza, and the other has 3/4 of a pizza left in it. Then, Mother divides all the pizzas into 1/8 each. How many were many slices of pizza left? Two boxes of pizza of the same size are left on the table. One box has 1/2 of a pizza, and the other has 3/4 of a pizza left in it. Then, Mother divides all the pizzas into 1/8 each. How many were many slices of pizza left?
- Skip's  Skip's Dog Shelter rescues collies. 3/4 of the collies are older than 10, and 1/3 of the remaining collies are between 3 and 5. Suppose there are 2 dogs between the ages of 6 and 10. How many dogs are there in all at this rescue shelter? Skip's Dog Shelter rescues collies. 3/4 of the collies are older than 10, and 1/3 of the remaining collies are between 3 and 5. Suppose there are 2 dogs between the ages of 6 and 10. How many dogs are there in all at this rescue shelter?
- A landscaper 3  A landscaper needs 3 4/8 pounds of plant food. He has 1 1/4 pounds in his truck and another 4/6 pound at his shop. How many more pounds of plant food does the landscaper need? A landscaper needs 3 4/8 pounds of plant food. He has 1 1/4 pounds in his truck and another 4/6 pound at his shop. How many more pounds of plant food does the landscaper need?
- Reconstruction  The school decided to carry out a reconstruction and wanted to start by replacing the doors. After installing the doors, the principal decided to mark each door with numbers. As soon as he got this idea, he had mathematicians calculate how many digits the The school decided to carry out a reconstruction and wanted to start by replacing the doors. After installing the doors, the principal decided to mark each door with numbers. As soon as he got this idea, he had mathematicians calculate how many digits the
- Calculated 80204  Fill in the place of x with such a number that the equality applies. 5/6=15/x How can this be calculated? Thank you Fill in the place of x with such a number that the equality applies. 5/6=15/x How can this be calculated? Thank you
- Operation 6  Perform the operation below. Express your answer as a mixed number in simplest form 4 1/6 - 2 2/3 Perform the operation below. Express your answer as a mixed number in simplest form 4 1/6 - 2 2/3
- Cereals  If someone ate 1.6 Oz of cereal and the other person ate 2/3 of the cereal. How many ounces would there be? If someone ate 1.6 Oz of cereal and the other person ate 2/3 of the cereal. How many ounces would there be?
- Simultaneously 80154  A pedestrian and a cyclist set off simultaneously from two villages 24 km apart. The pedestrian walked at an average speed of 4 km/h and met the cyclist after ninety minutes of walking. What was the average speed of the cyclist? A pedestrian and a cyclist set off simultaneously from two villages 24 km apart. The pedestrian walked at an average speed of 4 km/h and met the cyclist after ninety minutes of walking. What was the average speed of the cyclist?
- Construction 80124  The father offered to work on the construction site for 50 hours as part of a voluntary event. How many hours does he have left after he worked on the construction site for 9 days at 3 and 1 half hours? The father offered to work on the construction site for 50 hours as part of a voluntary event. How many hours does he have left after he worked on the construction site for 9 days at 3 and 1 half hours?
- Minutes 80094  Five hundred liters of water will flow into the pool in 5 minutes, and 120 liters of water will flow out of it in 12 minutes. How many liters of water will be added in 1 hour? Five hundred liters of water will flow into the pool in 5 minutes, and 120 liters of water will flow out of it in 12 minutes. How many liters of water will be added in 1 hour?
- Rectangle-shaped 80074  Pupils had to stack rectangle-shaped pictures with dimensions of 210mm and 84mm so as to cover the square. What is the smallest square we can cover like this, and how many images do we need? Pupils had to stack rectangle-shaped pictures with dimensions of 210mm and 84mm so as to cover the square. What is the smallest square we can cover like this, and how many images do we need?
- Alwyn  Alwyn spends 1 3/4 hours answering his math homework. He also spends 2 1/3 hours doing his homework in English. How much time does he spend doing his homework for these two subjects? Alwyn spends 1 3/4 hours answering his math homework. He also spends 2 1/3 hours doing his homework in English. How much time does he spend doing his homework for these two subjects?
- Product minus sum  How much is the product of 6 1/2 and 4 1/3 more than the sum of 3 1/3 and 2 1/6? How much is the product of 6 1/2 and 4 1/3 more than the sum of 3 1/3 and 2 1/6?
- Two brothers 4  Peter is 24 years, and his brother Tom is 6 years. For how long will Peter be three times as Tom? Peter is 24 years, and his brother Tom is 6 years. For how long will Peter be three times as Tom?
- Find two 4  Find two fractions between 1/4 and 2/3. How do you know you are right? Find two fractions between 1/4 and 2/3. How do you know you are right?
- Isosceles ditch  A ditch with a cross-section in the shape of an isosceles trapezoid with bases of 3 m and 5 m and arms of length 2 m is 2.5 meters deep and 10 meters long. How many cubic meters of soil did they have to excavate when digging it? A ditch with a cross-section in the shape of an isosceles trapezoid with bases of 3 m and 5 m and arms of length 2 m is 2.5 meters deep and 10 meters long. How many cubic meters of soil did they have to excavate when digging it?
- Vegetables 79964  We planted 1/3 of the garden with flowers and 2/5 with vegetables. The rest we sowed with grass. What part of the garden is sown with grass? We planted 1/3 of the garden with flowers and 2/5 with vegetables. The rest we sowed with grass. What part of the garden is sown with grass?
- Opposite 79954  We color a wooden cube with an edge length of 3 cm so that three walls are blue, three are red, and no two opposite walls are the same color. Cut the cube into 1 cm³ cubes. How many cats will have at least one red wall and at least one blue wall? We color a wooden cube with an edge length of 3 cm so that three walls are blue, three are red, and no two opposite walls are the same color. Cut the cube into 1 cm³ cubes. How many cats will have at least one red wall and at least one blue wall?
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