Maths practice for 11-year-olds. - page 93 of 224
Number of problems found: 4463
- Copper wire
What is the weight in kg of copper wire 200 m long with a diameter of 0.6 cm if the density of copper is 8.8 kg/dm³?
- James 2
James collected 24 seashells on the seashore to be shared with his two friends. What fractional part of the seashells will each get if distributed evenly?
- Gasoline price 2
During the COVID-19 pandemic, Marilou's Gas Station gives a new gasoline price scheme to help our drivers. On their purchase, the first 4 liters cost Php 120.00, while the succeeding 1 1/2 liters would cost Php 10.00 more than the cost of a liter. If John
- Ricky
Ricky painted 3/5 of the side of the garage. When he repainted ½ of this part, what part of the side of the garage did he paint twice?
- The temporary
The temporary workers collected 358 kg of apples and packed them into 8 kg boxes. How many boxes did they fill? Is there a box left unfilled? How many boxes did they need together?
- A bug
A bug was sitting on the tip of a wind turbine blade that was 24 inches long when it started to rotate. The bug held on for five rotations before flying away. How far did the bug travel before it flew off? Exact answer.
- Calculate 37881
Calculate the square of the half of the sum of the numbers 3/5 and -1/3.
- Erika admin
Erika's career consists of filing, typing, and answering phones. She spends 1/6 of her time filing and 5/8 of her time typing. What fraction of her time does she spend answering phone calls?
- Earth rotation
How fast is the place on the Earth's equator moving if the Earth's radius is 6378 km?
- Add sub fractions
What is 4 1/2+2/7-213/14?
- Calculate 37491
Calculate the edge size of a 48 liter cube.
- Six-eights
Six-eights of the one hundred pupils joined the Math Glee club. If the Math Glee club members were grouped into three, how many members were in each group?
- Timetable 37361
The bus left from stop A to stop B. The distance between the stops is 3.6 km. The timetable states that he has 3 minutes to cover this distance. At what average speed in km/h would the bus have to travel in order to pass the time interval?
- Iron cube
Calculate the weight of a cube with an edge length of 15 cm made of iron, (its density is ρ = 7250 kg/m3)
- At midmorning
The temperature at midmorning was 31°C. Early in the evening, the temperature dropped by 5°C. What was the resulting temperature?
- Weather
Weather. At 5:00 am, the temperature was 28°C, and at noontime, it rose by 9°C. By 4:00 PM, it dropped 3°C; by nighttime, it was 4°C less. What is the room temperature this time?
- Fruits
For the price of one pineapple, I will buy two oranges. For the price of three oranges, I will buy four apples. I will buy six bananas for the price of three apples. What is the price of one banana if I pay 1 euro for one pineapple?
- Following 37221
The river level was 2 cm above normal at the beginning of the month, then rose 5 cm, fell 12 cm in the following days, then lost 9 cm, and finally rose 7 cm. How high was the river level at the end of the month?
- Dwarves 37191
The dwarfs dragged Snow White in a coffin from the garden to the house as Snow White with the coffin was heavy. The dwarves pulled her with a speed of 0.2 m/s. The place where Snow White and the coffin were laid was 15000 cm away from the place in the hou
- Decompose 37101
Decompose the number of primes and find its digit sum: 180, 232, 460, 240, 365,
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