Maths practice for 11-year-olds. - page 180 of 222

Number of problems found: 4421

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 toward point B. The points are 12 km apart. Determine how fast Dana walked if she arrived at point B at 11:54. Express the speed 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.
Two-digit number
I am a two-digit number less than 20. When you divide me by three, you get a remainder of 1. When you divide me by four, you also get a remainder of 1. What number am I?
Potatoes
When planting potatoes, 3 500 kg of seeds are consumed per 1 ha. Calculate the seed weight needed for planting a square area with a side length of 325 meters.
Fe vs. H2O
For the same weight, which body has a greater volume: iron or water?
Holiday countdown
The summer holidays begin at midnight on June 30. Calculate how many days remain until the beginning of the summer holidays. Calculate how many minutes it has been since you read this text.
Waste paper
Our school attends 1,300 pupils. Each pupil collected plastic bottles or paper. Plastic bottles have collected 930 pupils and 600 pupils' old paper. How many students have collected plastic bottles and waste paper together?

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