Maths practice for 11-year-olds. - page 171 of 224
Number of problems found: 4479
- Number puzzle
Increase the number by half and reduce the result by half. No.9 will be released. What number did I have at the beginning? - Worker production
Seventeen workers produce more than 15 workers by 46 products. How many products will 20 workers make? - Map scale
What is the map's scale if 5.4 km is 72 mm on the map? - Wallpaper needed
Calculate how many m² of wallpaper is needed to wallpaper a room with dimensions a = 3m, b = 4m, c = 3.5m - Tricycles and scooters
Honza's kit included 19 wheels. He used them all to construct tricycles and scooters. How many complete scooters and tricycles did he build? He will find all the solutions. - Dalmatian spots
Kamil bought 101 Dalmatians. Of these, 58 had a spot on the left ear, 15 had a black spot on the right ear, and 29 had both white ears. How much Dalmatian has black spots on both ears? - Gasoline
How many liters of gas is in the tank if its weight is 15.4kg? The specific density of gasoline is 770kg/m³. - MO Z6-6-1
Write integers greater than 1 to the blanks in the following figure so that each darker box is a product of the numbers in the neighboring lighter boxes. What number is in the middlebox? - 3 children
Three children had to divide 4 pounds is candy. How much candy did each child get? - Benches
The park has 64 benches. Occupied is 18 more than empty. How many benches are occupied and empty? - Circumference of a rhombus
If you enlarge the side of the diamond by 4 cm, its circumference will be 20 cm. How long was the side of the original diamond? - Parallelogram ABCD
Calculate the area and perimeter of the ABCD parallelogram with side a = 2.7 m, height to side a - va = 0.8 m, and b = 1.9 m. - Perimeter to area
Calculate the area of a circle with a perimeter of 15 meters. - Living room
How many people can live in a room with dimensions a = 4m, b = 5m, c = 2.5m if one person needs 15m cubic space (e.g., air)? - Common divisor
A. Find the largest natural number by which the numbers 54 and 72 can be divided (120, 60, and 42) B. Find the smallest natural number that can be divided by each of the numbers 36 and 48 (24,18 and 16) - Phone ringtones
The phone has a variety of ringtones. 1/3 are loaded from the manufacturer. 2/5 ringtones are melodies. Composed by the user in special programs and the remaining 12 ringtones are digital recordings. How many ringtones are there in total on the phone? - Prism cubes
How many 2 cm prism cubes do we need to make a 6 cm cube out of them? - Reward division
Peter and Adam were rewarded with 300 CZK for cleaning the yard. They awarded the reward in a 3:2 ratio. How many CZK did each get? - Sugar production
Nine tons of sugar beet are needed to produce 1 ton of sugar. In 1996, 4,500,000 tons of sugar beet were harvested in our country. How many tons of sugar were obtained from it? - Apple purchase
How many kilograms of apples would you buy for 300 euros if the kilo costs 0.90 euros?
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