Maths practice for 11-year-olds. - page 19 of 227

Number of problems found: 4524

At the post office
Maria paid three bills at the post office with a hundred-euro banknote: one for €19.95, the second for €50, and the third for €24.65. Each payment carried a fee of €1.40. How many euros did she receive in change?
Create 2
Create a suitable table and fill in the data: Producing four machines takes a total of 80 hours. Each machine takes the same amount of time to produce. How long does it take to produce 1 machine, 2 machines, and 5 machines?
From tank 2
First, 1/3 was drained from a water tank, then 1/4 of the remainder was drained. There were 20 litres of water left in the tank. How many litres were in the tank at the beginning?
Adding Sixths to Thirds
How many sixths must be added to two thirds to get four quarters?
Factorization and primes
How many times does the digit 2 appear in the prime factorisation of 2,024?
Six horses
How many bags of feed are needed for 6 days for six horses, if 21 bags of feed are needed for 3 days for seven horses?
Brick 5
A brick weighs 7/2 kg and a tile weighs 11/8 kg. The first truck was carrying 900 bricks and the second truck was carrying 2,000 tiles. Which truck was carrying a heavier load, and by how many kg?
Grass seed
How many kilograms of grass seed are needed to establish a lawn on a rhombus-shaped plot of land with sides of 55 m and 40 m, if the height to the shorter side is 22 m and 1 kg of seed is sufficient for 40 m²?
Chef Davido
Italian chef Davido put 36 pieces of pineapple on his Hawaiian pizza and then cut it into sixths, so that each slice had the same amount of pineapple. Luke bought one sixth of Davido's pizza and ate it with pleasure. How many pieces of pineapple did Luke
Figurines from Clay
How many figurines will a potter make from 14⅙ kg of clay if each figurine requires 1 5/12 kg of clay?
Toy car collection
Martin has more than 50 and fewer than 100 toy cars in his collection. A fifth of them are trucks, an eighth are vintage cars, and the rest are models of modern passenger cars. How many toy cars does Martin have in his collection, and how many of them are
Subtracting Mixed Fractions
By how much is three and five sixths less than four and five ninths?
Solving for x Proportion
Find x such that: a) 2:5 = 8:x; b) x:28 = 4:7.
Number split
Divide 36 in the ratio 4:5.
Groups
Into what is the largest number of equal groups we can divide 336 children and 24 adults, such that each group contains the same number of children and the same number of adults?
Hour as Day Fraction
Write as a fraction in lowest terms: What part of a day is one hour?
Vegetables - plot
The Happy family has a garden measuring 8 m × 3 m with vegetables planted in it. Peppers occupy 1/12 of the garden, tomatoes occupy 1/8, and strawberries occupy 1/6. They decided to plant sweet potatoes in the remaining area. What fraction of the garden i
Customer 5
A customer decided to buy a Laura bed with a wooden slatted frame (available in 2 types) and an extra-firm mattress (available in 4 types) in one of three colours. Determine how many different combinations of the Laura bed with a wooden slatted frame and
Liquid - pouring
We need to pour the liquid from two cube-shaped containers into a single container. The original containers have edges of 0.7 m and 0.9 m. What will be the edge length of the combined cubic container?
Salesman 4
A salesman sold 3/5 of his potatoes on the first day and 2/3 of the remainder on the second day. What fraction of the potatoes did he sell over two days? What fraction did he have left?

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