Maths practice for 12-year-olds - page 204 of 355
Number of problems found: 7083
- Athletic race
Before a race, you start 4 5/8 feet behind your friend. You are 3 2/3 feet ahead of your friend at the halfway point. What is the change in distance between you and your friend from the beginning of the race? - Martha
Martha likes to walk in the park, which is square, 7/10 mi on each side. One morning, Martha walked around the entire park 3 1/2 times before stopping to rest. How far had she walked? - Garden perimeter calculation
The garden is a rectangle, 800.25 square meters in area. Calculate the garden's perimeter if its length is 48.5 m. - Simple equation 9
Solve the following equation: -8y+5=-9y+9 - Painters
Ten painters will paint the school in 20 days. How many days do four painters paint the school at the same pace of work? - Flowerbed area calculation
What is the area of the round flowerbed, whose circumference is 62.8 m? How many edges does it have? - Mother and daughter
The mother is 44 years old, and her daughter is 14. How many years ago was the mother four times older than her daughter? - Pool painting cost
A square-shaped pool with bottom dimensions of 7m * 4m and a height of 1.2m needs to be painted. How much will the paint cost if 1 kg of paint, which is enough for 6 m² of color, costs 3 euros? The painter charges 1 euro for coating 1 m². - Wooden container
The locksmith should cover the cube-shaped wooden container with a metal sheet inside. The outer edge of the container is 54cm. The wall thickness is 25 mm. The container has no lid. Calculate. How many sheets will be needed to cover it? - Chauncey
Chauncey is building a storage bench for his son's playroom. The storage bench will fit into the corner and against two walls to form a triangle. Chauncy wants to buy a triangular-shaped cover for the bench. Suppose the storage bench is 2 1/2 ft along one - Fraction + eq
Solve following simple equation with fractions: -5/6(8+5b) = 75 + 5/3b - Divide
Divide 72 by 7:2, calculate the ratio of the numbers found in this order, and write it down as a decimal. - The glass
1 m³ of glass weighs 2600 kg. Calculate the weight of the glass glazing panel with dimensions of 2.5 m and 3.8 m if the thickness of the glass is 0.8 cm. - Cylinder painting cost
How many kg of paint do we need to paint a cylinder with a diameter of 60 cm and a length of 2 meters if we use 0.5 kg of color for one square meter of surface? How much will we pay for paint if 1 kg costs CZK 165? - Tent pad reduction
If the length of the square pad tent is reduced by 6 cm, its area will be reduced by 2.76 dm². Specify the side length of the original and reduced pads. - Play tennis
Peter and Jirka agreed to go play tennis. Peter's path to the tennis court is 800 meters longer and leads around Jirka's house. Peter comes out first and then picks up Jirka. Together they go at the same average speed as Peter went, so they reach the plac - Student sport participation
Of 34 pupils, 17 skis and 21 skates, 12 practice both sports. a) how many students from the class ski or skate? b) how many students from the class ski but do not skate? c) how many students from the class do not skate or ski? - Flower bed
The park has a rectangular flower bed with dimensions of 3.2m and 1.5m. How many rose bushes will we plant in the flower bed if 20 dm² are needed for one bush? - Age question
Jano is three times older than Zdeno. Zdeno is 12 years younger than Janko. How old is Jano, and how old is Zdeno? - RPM
An electric motor makes 3,000 revolutions per minute. How many degrees does it rotate in one second?
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