Maths practice for 11-year-olds. - page 170 of 224
Number of problems found: 4479
- Gear wheels
There are two gears in the wall clock. The larger wheel has 54 teeth, and the smaller one has 24 teeth. How many times does the small wheel turn if the big one turns four times? - Ounce
749 calories in a 7 - ounce serving. What is the unit rate? - Bicycles
You're the owner of the transport's learning playground. Buy bicycles of two colors, but you've got to spend accurately 120000 CZK. The Blue bike costs 3600 CZK and the red bicycle 3200 CZK. - Number puzzle
I think the number when I multiply the imaginary number by three, we divide by the number 4 from the product of subtraction 4, and I add the imaginary number again to the proportion of 4. Which number do I think? - School 6
Jirka lives 600m from the school, and Honzík 1200m. How many kilometers a week does Honzik go over Jirka on his way to school and back? How many times will more Honzík go than Jirka? - Earth and Sun
Earth is 150 million km away from the Sun. 300,000 km of sunlight travels in 1 second. How long will the light come from the Sun to the Earth? - Steps
The walkway from the house to the school is 180 m long. If Michael's step is 60 cm and his father's step is 90 cm, how many more steps does Michael make than his father on the way to school? - Divisible numbers
How many three-digit numbers divisible by four can we create from the numbers 1, 2, 3, and five if we cannot repeat the digits in the number? - Digit sum Which largest six-digit number has a digit sum of 27?
- Strawberry jam
Friends Marika and Katka decided to prepare strawberry jam together. According to the recipe, they needed 50g of sugar for 0.5kg of fruit. How many kilograms of sugar must the friends prepare if they make jam from 2.3 kg of strawberries? - Studio flooring
The television studio plan is made on a scale of 1:150. It shows a rectangular studio measuring 5 cm and 6 cm. If we pay 356 crowns for 1 m² of floating floor, how many crowns will we pay to cover the studio with a floating floor? - Odd digit difference What is the difference between the largest and smallest numbers, composed of only odd digits and none of the digits repeated in the numbers?
- Apples
One kilogram of apples costs 25 CZK. Calculate how much you will pay for 700 g. - Ice cream servings
They sold 4/7 strawberry ice cream and 36 servings of vanilla ice cream in the store. How many servings of ice cream did they sell that day? - Have solution The sum of four consecutive even numbers is 92. Determine these numbers.
- Exhibition slats
The carpenter has to attach slats for hanging paintings on the exhibition hall wall, which has a length of 39 m and 40 cm. The length of one bar is 2 m. Will 22 laths be enough for carpenters? - Prime product
My number for today: the product of the square of the smallest prime number with the smallest two-digit prime number - Metal rod The metal rod measures 1.2 meters. How many decimetres is a quarter of a metal bar smaller than five-sixths of a metal bar?
- Cubes
Carol with cut bar 12 cm x 12 cm x 135 cm to the cubes. Find the sum of all the surfaces of the resulting cubes. - Concrete pedestal
The carpenters made wooden mold on a concrete pedestal in the shape of a cube with an edge 2 meters long. What is the area in which the concrete touches wooden molds? (No lid or bottom)
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