Maths practice for 12-year-olds - page 107 of 355
Number of problems found: 7085
- Horse head legs
A herd of horses grazes in the meadow. They have 78 legs more than their heads. How many horses are in the herd? - Number difference triple
Three times the difference between 1.2 and 0.2 - Newspaper weekly sales
From Monday to Friday, 9650 newspapers were sold, on Tuesday 1680 were sold, on Monday 50 more than on Tuesday, on Wednesday the same as on Tuesday and on Thursday 2x more than on Tuesday. How many newspapers were sold on Friday? - A swimmer 2
A swimmer swam 48 kilometers in d days. What is the value of d if the swimmer swam an average of 3.2 kilometers daily? - Glass cylinder height
A glass in the shape of a cylinder with a base diameter of 6 cm can hold 4dl of water. Calculate the height of the glass and its surface. - Cancer - dies
One person dies from lung cancer in one and a half hours. How many people die every day? - Number multiplication division
What result do we get if we multiply 1/5 of 600 by three and divide the result by 1/10 of 100? - Each cement
Each cement block weighs 1 1/6 pounds. How much do three cement blocks weigh in total? How do you do this? - Bar equal parts
The 10m long bar comprises 4, 8, 3, and 6 equal parts. Express the length of one piece as a decimal number. - David 2
David poured orange juice into 7 cups. He poured 1/4 liter of orange juice into each cup. How many liters of orange juice did David pour altogether? - Blouse skirt combinations
Jana has three blouses, red, blue, and white, and three skirts, blue, black, and brown. In how many days will all combinations of blouses and skirts change? - Practicing piano
Hoor spent 15 hours last week practicing piano. If 3/7 of the time was spent practicing warm-up routines, how much time did he spend practicing warm-up routines? - The temperature 24
The temperature at 04:00 was −3°C. By 09:00, the temperature had risen by 8°C. What was the temperature at 09:00? - Children's room
The children's room is a square with a side of 3m. What is the area of the room layout on a 1:50 scale plan? - Cyclist car journey
The cyclist travels 10 km per hour, car 60 km. The cyclist went for 3 hours. How many minutes does the same journey take to a car? - Apple color basket
There were 15 apples in the basket. There were four fewer red apples than green ones and a quarter fewer reds than red ones. How many red apples were in the basket? - Garden - fence
The fence around the garden measures 360 m. Of these, 72 18/20 m are damaged and must be repaired. How many meters of fence is sufficient? - Juraj monthly pocket
Juraj pays from a monthly pocket quarter for a snack, a fifth for drinks, and a third for technical details for a PC. He saves the remaining 13 euros. What's his monthly pocket money? - Carp average weight
The fishery gradually sold carp weighing 2 1/2 kg, 1 5/6 kg, 1 3/5 kg, 2 1/10 kg, 2 kg, and 2 2/3 kg. What was the average weight of 1 carp? - Block edge sum
The block has a square base of 36 dm2, and its height is 1/3 of the length of the base edge. Find the sum of the lengths of all edges of a block.
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