Maths practice for 12-year-olds - page 201 of 350
Number of problems found: 6986
- Proportion 3
For every eight mango trees in the orchard, there are 4-star apple trees. If there are 1320 trees, how many trees of each kind are there? - Rectangular 8601
The rectangular plot has dimensions of 48 mm and 72 mm on the plan on a scale of 1:5000. Calculate its dimensions and give the results in meters. - Eq-frac
Solve the following equation with fractions: h + 1/3 =5/3 - The temperature 3
The temperature is -12 degrees Fahrenheit. During the following 5 hours, the temperature decreased by 23 degrees Fahrenheit. What is the weather like at 11 pm? - Stock market 2
For the week of July 22, the forecaster recorded the following day-to-day changes in the stock market of a specific stock: -2 on Monday, +4 on Tuesday, -8 on Wednesday, + 2 1/2 on Thursday, - 3 1/4 on Friday. The stock began the week at 78 points. How man - Polynomial: 8465
Solve the equation with the polynomial: x / 2 + 1/2 + 3 = x - Diameter of a cylinder
I need to calculate the cylinder volume with a height of 50 cm and a diameter of 30 cm. - Fruits 2
An apple costs 7p, and a melon costs seven times more. How much will six apples and two melons cost? - The quotient of two numbers
Find the quotient of 229.12 and 12.32 - Spending
Peter spends 1/5 of his earnings on his rent, and he saves 2/7. What fraction of his earnings is left? - One third
If 3/5 is 360, how much is 1/3? - Bag of peanuts
Joe eats 1/3 of a bag of peanuts, Mark eats 1/4 of the remaining in the bag of peanuts, Alvin eats 1/2 of the remaining bag of peanuts, Peter eats ten peanuts, and there are 71 peanuts left. Hon many peanuts were in the bags? - Missing number
Blank +1/6 =3/2; find the missing number. - Aquarium
I have an aquarium that is 100 cm long and 40 cm wide, and 40 cm in height. We fill it with water. How much will it weigh? - Examination 2
A teacher awards two marks for every correct answer and subtracts a mark for every wrong answer in an examination. If there were 20 questions and a child scored 25 marks, how many correct answers did the child get? - 80 students
Eighty students were asked what type of test they preferred. Fifty students said they liked multiple choice, and 42 liked true or false. If 36 liked multiple choice and true or false types, how many students preferred multiple choice only? - Square 8420
How many square prisms are there if the length of one side is 100mm and the total length of the prism is 4000mm, and it can fit into one cubic meter? - Ratio of volumes
If the heights of two cylindrical drums are in the ratio 7:8 and their base radii are in the ratio 4:3. What is the ratio of their volumes? - The perimeter 3
The perimeter of a rectangle is 35 cm. The length ratio to its width is 3:2. Calculate the rectangle's dimensions. - Chester Chester has a piece of wood measuring 1 2/3 cm. He needs to cut it into pieces measuring 3/4 cm long. How many pieces of wood did Chester cut?
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