Maths practice for 11-year-olds. - page 128 of 226

Number of problems found: 4508

Triangle angle calculation
The outside angle at the base of an isosceles triangle is 132 degrees. Calculate the angles of a triangle internally.
Triangular prism
Calculate a triangular prism if it has a rectangular triangle base with a = 4 cm and hypotenuse c = 50 mm, and the height of the prism is 0.12 dm.
Rhombus Height Area Perimeter
Find the height of a diamond with a circumference of 34 m and an area of 51 m²
Trams Meeting Time Terminal
Two trams left the station at 9 o'clock. Line 1 goes around the track in 96 minutes. Line 2 returns to the final in 72 minutes. At what time do both teams meet again at the same terminal?
Digits
How many odd four-digit numbers can we create from digits 0, 3, 5, 6, and 7? (a) the figures may be repeated (b) the digits may not be repeated
Geometric plan
At what scale is the building plan if one side of the building is 45 m long and 12 mm long on a plan?
Cadastral map scale
Calculate the scale of the cadastral map, on which the square plot has a circumference of 20 cm and, in fact, 576 m.
In about
In about 12 hours in North Dakota, the temperature rose from -33 degrees Fahrenheit to 50 degrees Fahrenheit. By how much did the temperature change?
Sand Pile Cone Volume
We prepare a pile of sand in the shape of a cone with a height of 1 m and a diameter of 1.6 m. We prepare it for the children's sandpit. What volume of sand does this pile occupy?
The chocolate
The entire chocolate has 8 by 4 pieces and weighs 160g. Express with a fraction how much of the chocolate we ate (according to the picture, we ate 9 squares of chocolate). How many grams of chocolate did we eat?
Avg speed of flight
The student's vice adventure had a 2,367 km flight. If their travel time was 2 hours and 56 minutes, what was their average speed in kilometers per hour?
Salt weight calculation
What is the weight of salt with a volume of 25 dm³? The salt density is 2.16 g / cm³.
Carpet Uncovered Floor Area
In a square-shaped room with a side of 4 m, a rectangular rug with dimensions of 2.5 m and 3 m is laid on the floor. How much floor is not covered with carpet?
Change in temperature
The starting temperature is 21°C, and the highest temperature is 32°C. What is the change in temperature?
Wheel turns
The diameter of the motorcycle wheel is 55 cm. How often does a motorcycle wheel turn on a 5 km long road?
Speed of car
In 2 hours 40 mins, a car travels 100 km. At what speed is the car traveling?
Soda factory
The soda factory produced 50 hl of lemonade, which they filled into 2 l bottles. How many bottles did they fill?
Temperature change 2
The outside temperature changed -14°F over 4 hours. If the temperature changed the same amount each hour, what was the change in temperature each hour?
Area Rate Time
In 2 hours, 100 m square, what is an area in 3 hours?
Dog Cans Price Quantity
Boris paid 23 euros and 40 cents for nine identical cans for a dog. How many cans can be bought for 30 euros or 80 cents? Turn your euro into cents.

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