Maths practice for 11-year-olds. - page 51 of 230
Number of problems found: 4584
- Earning 4
You earn $8 for 2/3 hours of work. How much do you earn per hour?
- The crane
The construction crane has a 20m long arm. What construction area in ares can it handle from this crane if it rotates around its axis?
- Chicken
Lola Flora bought 4 ¾ kg of chicken. She cooked 2 ¼ kg and refrigerated the rest. How many kilograms of chicken were left?
- Determine 5
Using the formula V=lwh, determine the volume of an aquarium with these measurements: length = 78 cm, width = 6 cm, and height = 43 cm.
- Pizza party
At a pizza party, Diego and his friends ate one and one-fourth cheese pizza and three-eighths pepperoni pizzas. How much pizza did they eat in all?
- The cost
The cost of 5 1/2 of the milk is 4 euros. How will 4 5/7 of milk?
- Two fractions multiply
What is 4/5 when multiplied by 9/10?
- Tommy
Tommy harvested 41.7639 kg of oranges, and Cadrick harvested 35 673/1000 kg of the same type of fruit. How many more kg of fruits did Tommy harvest than Cedrick? Round your answer to 3 decimal places.
- At sunset
Suppose the temperature at midday was 21°C. By sunset, it had dropped by a 9°C. What was the temperature at sunset?
- In grade
In the grade six class, 5/9 of the pupils are boys, and the number of pupils is 180. Find the number of girls.
- Apples 19
Joseph harvested 5 ¾ kg of apples from his garden. He sold ½ of it to his neighbor. How many kgs were sold?
- Circumference of a circle
Calculate the area of a circle if its circumference is 21.98 dm. Express the result in square decimetres.
- The cyclist - avg speed
The cyclist make a distance of 25 km at an average speed of 20 km/h. How long did the trip take him (in hours and minutes)?
- Integers 61684
How many integers are less than 74 and greater than -49?
- Hectoliters 61664
There are 1.5 hectoliters of rainwater in the barrel. Two-fifths of the water passed from the barrel while watering the garden. How many liters of water remained in the barrel?
- Five-eighth 61644
The glass can hold five-eighth liters of water. How many glasses would we fill with two five-liter bottles?
- Price discount
The original price of a pen is 9 1/5 dollars. Any purchase of 5 pens needs only 7/10 of the original price. How many dollars should be spent to buy five pens?
- An electrician 2
An electrician needs three 3/4" electrical metallic tubing (EMT) sections, 12.75' long each. What is the total length of EMT needed?
- A bamboo
Bamboo is 26 2/5 meters long. If it is cut into 12 pieces, how long will each piece be?
- Accompanied 61384
Sixty children from the school accompanied them to celebrate the village's founding. Forty children waved with the village flag. Thirty children got waved with the coat of arms of the village. How many children received both types of lubricants?
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