Maths practice for 12-year-olds - page 97 of 353
Number of problems found: 7045
- The recipe 2
A recipe requires 3/4 cup of flour. If you have 4 cups of flour, how many cups will be left after using the amount required? - Evaluate expression 7
Evaluate: (1−(56)/12×16)÷((52−23)÷2) - Trapezoid - construction
Construct a trapezoid ABCD (AB // CD): | AB | = 7 cm | BC | = 3.5 cm | CD | = 4 cm The magnitude of the angle ABC = 60° - Capacity of the box
The box is 55 cm high and 40 cm wide. The capacity of the box is 180 liters. How much does the box length measure? And what is the capacity of the box in cubic centimeters? - Collection of candies
We mixed two types of candies into the collection. The first species is for 36 CZK per 1 kg, and the second species is for 54 CZK per 1 kg. What was the price of one kg of a mixture? - Cylinder diameter height
The cylinder's volume is 5 l, and its height is equal to half the diameter of the base. Find the dimensions of the cylinder. - Garden fence mesh
The garden is 36 m long and 12 m wide, and the gate is 3 m wide. Is 90 m of wire mesh enough to fence the garden? - Rectangle area dimensions
How many rectangles with side lengths expressed in natural numbers have an area of 96 cm²? - Grandma distance remaining
We're going to Grandma's. We have already driven 30 km. We have 1/7 of the way ahead of us. How many kilometers is Grandma from us? - Divisible without remainder
Determine the number by which all these numbers, 22, 18, 25, 15, 35, and 10, are divisible without remainder. The number is greater than 1. - Prague Huddersfield scale
Prague's direct distance to Huddersfield (United Kingdom) is 1680 km. What is the map's scale, at which this distance is 84 cm? - Twin cinema seating
Twins Ela and Nell came to the cinema together with their friend Hela. Only the first 10 seats in the third row are free. How many ways can they be seated if the twins want to sit next to each other, with Nell always to Ela's left and Hel right next to on - For the tournament 2
For the dodgeball tournament, 8 teams signed up, from which pairs were formed by draw. In the first round, each pair played one match. The winners played semifinal matches and the winners of the semifinals played the last, final match, which determined th - Street plan length
What length will the 120 m long street have on the plan at a scale of 1:1500? - Lake map scale
The air distance between the cottages on the same shore of the lake, 2.7 km, is the distance expressed by a line length of 36 mm. Find the scale of the map. - Map actual distance
On a tourist map with a scale of 1:50 000, the distance between Štrbské Pleso and Štrba is 14 cm. What is the actual distance? - Sidewalk plan marking
The sidewalk is 500 m long. How will it be marked on the plan on a scale of 1:200? - Hemisphere layer
Find the volume of the spherical layer that results from a hemisphere with a radius of 5 cm by cutting a paragraph whose height is 1.5 cm. - Cylindrical rod
We should grind a cylindrical rod with a diameter of 6 cm and a length of 20 cm to form a conical rod of the same size and the same base diameter. What will be the volume of material removed? - The morning 2
The morning temperature was 25°Fahrenheit. By noon, it had gone up 8°, and by 5 PM that afternoon, it had fallen 10°. What was the temperature at 5 PM?
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