Maths practice for 11-year-olds. - page 182 of 224

Number of problems found: 4479

Square perimeter
Calculate the perimeter of a square if its length equals 2/3 of the number 75.
Two rulers
We have two rulers. The scale interval on the first ruler is spaced 1 cm, and on the second is 15 mm. Rulers are attached to match the initial divider commas. What next dividers commas coincide? Find at least three cases.
Average speed
Michal left the house by car at a 98 km/h speed. He came into the goal place for 270 minutes. Determine the distance between the two places.
Hazelnut eating
Denis eats 12 hazelnuts in 1 day. How many more hazelnuts must he eat a day to eat 57 hazelnuts in 3 days if he ate the same amount of nuts every day?
Square root value
Determine the value of x if x^0.5 = 6
Evaluation
What is the result of the example (81¹/4): 4?
Pedestrian
Dana started at 10:00 from point A to point B. These points are 12 km away. Determine how fast Daniel went when place B arrived at 11:54. Speed express in km/h.
Expression value
Find the value of the expression 9^x / 4y if x = 0.5 and y = 2.25.
Car distance
The car was traveling at a speed of 112.5 km/h. Determine what distance he would have walked in 144 minutes if he had kept going at the same pace.
Speed comparison
Damian drove 4 kilometers in 2.5 hours. Dasha drove 12 kilometers in 9.5 hours. Who went faster? 1) Damian 2) Dasha
Exponent division
Determine the result of the example: 9²:3^{- 4}
Sprinter pace
The sprinter ran a distance of 500 meters in 61 seconds. How long would it take him to run a distance of 1,200 meters if he kept running at the same pace?
Exponent division
Determine the result: 3³:3⁴
Blackberries
Damián gathered for 19 days 9.5 kg of blackberries. Milada gathered 1.6 kg of currants for two days. How much would collect Damián blackberries per day, and how many currants Miladka per day?
Milk
Mum bought 16 cartons of milk. One carton of milk weighs 0.925 kg. How much weight are all purchases?
Pool in litres
The pool is 3.5 meters wide, 6 meters long, and 1.60 meters high. Calculate the pool's volume in liters.
Unknown number 6
Find the unknown number, which is by 1.5 greater than its fourth.
Percentages
What is 1/3 of $821.43?
The cube - simple
Calculate the surface of the cube measuring 15 centimeters.
Glass door
What is the weight of the glass door panel 5 mm thick, height of 2.1 meters and a width of 65 cm, and one cubic decimeter of glass weighs 2.5 kg?

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