Maths practice for 12-year-olds - page 74 of 349

Number of problems found: 6967

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?
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?
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?
Two brothers 4
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?
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?
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?
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?
Motorcycle 79944
A car travels 11,000 m in one minute. A motorcycle travels at a speed of 330 m in 11 seconds. Which of them will travel the greater distance in 1 hour of driving?
The area 2
The area of a rectangular piece of tablecloth is 3/4 m². Its width is 3/10 m. What is its length?
Three friends
Chad and his two friends are picking blueberries at a local farm. Chad picked 2 1/2 pounds of blueberries, and one of his friends picked 1 3/8 pounds. If they ended up with a total of 5 1/4 pounds, how many pounds did Chad's other friend pick? Express you
Schoolyard 79854
The children ran the school relay four times around the schoolyard. The shortest measured time was 2 minutes, and the longest was 3 minutes. In what was the longest and shortest time could the relay run around the yard?
Bottles
At a pizza party, James and his friends drank 1 2/3 bottles of sprite, 1 5/8 bottles of Cola, and 4 2/6 bottles of Kofola. How much soda did they drink in total?
Wood into pieces
Gwen has a piece of wood that is 8.25 feet in length. Gwen needs to cut pieces that are 0.75 feet in length. How many pieces can Gwen cut from the original piece of wood?
Perpendicular 79804
A perpendicular hexagonal prism was created by machining a cube with an edge length of 8 cm. The base of the prism is created from the square wall of the original cube by separating 4 identical right triangles with overhangs of lengths 3cm and 4cm. The he
Write 5
Write number sentences for each of the following: Three times a certain number increased by 5.
School 79774
The school has 275 pupils, and there are fifth more boys than girls. How many girls are there in the school?
A 12-mile
A 12-mile biking trail has a trail marker every 1/6 of a mile. How many markers are on the trail?
Bread 5
Susan ate 3/7 of a loaf of bread in the morning. What fraction of the loaf is remaining?
Curtains and bed cover
Grandma bought 16 3/4 meters of cloth. She uses 8 1/2 meters for curtains and 7 1/2 meters for bed covers. How many meters of clothing were not used?

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