Maths practice for 12-year-olds - page 93 of 355

Number of problems found: 7081

Bedroom floor
Jayson's square bedroom floor measures 2m on its side. How big should the carpet be to cover the whole floor?
Rabbit price difference
Four rabbits are 15 cents cheaper than seven identical rabbits. How much do three rabbits cost?
Number divisible range
Find the natural number between the numbers 70 and 80 divisible without the remainder 5, 3, 15, and 25.
Jana mixing
Jana mix is 1/4 gallon of orange juice and 1/2 gallon of pineapple juice to make punch. Each serving is 1/16 gallon. How many servings can go in?
Juice servings
Dina has 3 5/8 liters of pineapple juice. If one serving is 1/4 liter, how many servings of pineapple juice does she have?
House plot trapezoid
The Doležals will build a house. Their plot is a trapezoid with bases 42m and 18m long, and the distance between the bases is 23m. According to the project, the house will have a built-up area of 146 m². How many square meters of land will remain undeve
Kevin 2
Kevin is a farmer. He sells his crop at R5,66 per kilogram. How much will 15kg cost?
Dolores
Dolores has some cookies and does not want to tell the exact number. Instead, she gives a riddle. First, multiply the number by 2. Then, add 2000 to the result. After dividing the answer by 2, the result is 1036. How many cookies does Dolores have?
Debt payment settlement
Ondro owes Janek 2 euros. Jeníček owes Maťa 3 euros. and Maťo owes Ondra 1.5 euros. How many euros will they have, more or less, if they pay their debts?
Azile
Azile had R150 (South African Rand - currency/money - code ZAR). He spent 2/5 of the money on a shirt, and then he spent 2/3 of the money left to buy a cap. a) How much did the shirt cost? b)How much did he have left after buying the shirt? c) How much di
Cylindrical tank
The cylinder-shaped tank with a diameter of 100 cm is 50% full and contains 7850 l of water. What is the height of the tank?
Clock dial angles
The triangle that connects on the dial: a) 2,7,9 b) 3,6,10 Calculate the size of the interior angles.
Class student activities
The teacher enters the class. Half of the pupils are looking for something, a third pass, and five are sitting. How many students are in the class?
Three-digit number count
Use the product rule to find out how many three-digit numbers exist.
Tank water hectoliters
How many hectoliters of water are in a cylindrical water tank with a base diameter of 3 meters and a depth of 60 cm?
The temperature 31
The temperature last night was -11°C; at noon today, it was 3°C. What is the difference between the temperatures?
Strawberry candy selection
The opaque package contains five lemons, six apples, and three strawberry candies. At least how many sweets do we have to choose so that there is at least one strawberry among them?
Trent
Trent operates a hot dog stand. On Wednesday, he used two bags of hot dog buns. On Thursday, he used 1/5 as many hot dog buns as Wednesday. How many bags of hot dog buns Trent used on Thursday?
Garden mesh cost
How much do we pay for the mesh around the garden, which has the shape of a square measuring 25m, and one ordinary meter of mesh costs 23 euros?
A rectangle 9
A rectangle measures 2 1/5 inches by 2 1/5 inches. What is its area?

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