Maths practice for 12-year-olds - page 109 of 355
Number of problems found: 7085
- Library
They packed books in the library. They used 45 cm of wrapping paper per book. Wrapping papers are sold in rolls of 3 meters. How many such roles do they need to wrap 20 books? - Area to volume
The area of one cube wall is 36 cm². What is the volume of the cube? - Subtract then square
If a = 8, then (5-a)² = - Solve 9
Solve the equation. Check the solution. Start fraction lower t over 6 end fraction = 12 (t)/(6) = 12 - Exchange office
We get € 1.2 for one pound in the exchange office. For 1 € we get 4 Polish zlotys. Michael found 300 zlotys at home and wanted to turn them into pounds. How many pounds will he get for them? - Determine 6
Determine the least common denominator 3/4 and -5/6 - Earning 4
You earn $8 for 2/3 hours of work. How much do you earn per hour? - Plan road scale
A 3.5 cm-long line shows the 350 m-long road on the plan. What is the project's scale? - The crane
The construction crane has a 20m long arm. What construction area in ares can it handle from this crane if it rotates around its axis? - Ron went
Ron went to the store with 100.00. he bought two belts for 14 each, three shirts for 15 each, and he bought a pair of jeans for 25. how much did he have left? - The cost
The cost of 5 1/2 of the milk is 4 euros. How will 4 5/7 of milk? - Venus volume surface
Calculate the volume and surface of the planet Venus if its circumference is 12,000 km. - Truck rail pressure
How much pressure on the rails will cause an empty truck weighing 20 tons if the contact area of all wheels and rails is 16 square centimeters? - Girls money distribution Three girls have CZK 1,780. Pavlína had 1/3, Eva had 100 CZK less, and Hanka has x CZK. How much money did each girl have?
- A pack
A pack of 8 sports drinks costs $5. How much would it cost to buy 72 sports drinks? - Apples 19
Joseph harvested 5 ¾ kg of apples from his garden. He sold ½ of it to his neighbor. How many kgs were sold? - Rocks
Dana loves rocks! She has six pieces of granite, three pieces of marble, 14 pieces of sandstone, and one piece of slate. What is the ratio of sandstone pieces to marble in Dana's collection? - Circumference of a circle
Calculate the area of a circle if its circumference is 21.98 dm. Express the result in square decimetres. - The cyclist - avg speed
The cyclist make a distance of 25 km at an average speed of 20 km/h. How long did the trip take him (in hours and minutes)? - Integer range count
How many integers are less than 74 and greater than -49?
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