Maths practice for 11-year-olds. - page 149 of 197
Number of problems found: 3937
- Beginning 4743
Increase the number by half and reduce the result by half. No.9 will be released. What number did I have at the beginning?
- Calculate
Calculate the area of the ABE triangle AB = 38mm and height E = 42mm Ps: please try a quick calculation
- Map scale
What is the map's scale if 5.4 km is 72 mm on the map?
- Dimensions 4735
Calculate how many m² of wallpaper is needed to wallpaper a room with dimensions a = 3m, b = 4m, c = 3.5m
- Construction 4727
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.
- Dalmatians 4726
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?
- 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 4712
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?
- Unknown 3rd side
Peter remembered that the sizes of all sides of the triangle, measured in meters, were whole numbers smaller than 10. Two sides were 3m and 5m long. However, he needed to remember the size of the third side. Can you help him? What was the size of the thir
- 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)?
- Smallest 4692
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)
- Manufacturer 4686
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 4679
How many 2 cm prism cubes do we need to make a 6 cm cube out of them?
- Apples 4675
How many kilograms of apples would you buy for 300 euros if the kilo costs 0.90 euros?
- Blades
1st blade 2,5 m, 2nd blade. .1.75 m. How many of the same long pieces of these two blades can do the biggest? How long is one piece?
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