Maths practice for 12-year-olds - page 117 of 350
Number of problems found: 6985
- The base
The base of the quadrilateral prism is a trapezoid with an area of 75 cm square. The prism is 6 cm high. Find the volume of the prism. - A concert
A concert will take place at the stadium. If they sold 1/4 ticket on the first day, 2/5 of the rest on the second day, and 17,100 tickets left in the box office. What is the capacity of the stadium? - Decimeters 55263
Mom wants to sew a tablecloth on a table measuring 75 × 110 cm so that it protrudes two decimeters over the edge on each side. She adds on a 20 cm reserve. How many laces to buy to sew it? - Semicircle
The ornament consists of one square and four dark semicircles. The area of the square is 4 cm². Find the area of one dark semicircle and round the result to hundreds. - Aluminum cylinder
The aluminum cylinder weighs 1400 g and is 26 cm high. Its density is 2700 kg/m³. Calculate the base area of the cylinder and express the result in cm². - A giraffe
A giraffe can run up to 46.93 feet per second. How far could a giraffe run in 1.8 seconds? - Arnel
Arnel bought six pencils for 25 pesos each, four markers for 30 pesos each, and a book that cost 243.95 pesos. How much will he pay in total? - Lunapark
At the county fair, rides cost $5 plus $2. Use the expression 5 + 2r to determine how much Sheila will spend if she goes on seven rides. - Maria 3
Maria spent two-eighths of her holiday in Town A, two-fifths in Town B and the rest on traveling. What fraction of her holiday did she spend on traveling? - Gasoline fuel
You just drove your car 300 miles and used 40 gallons of gas. Your car's tank holds 12 1/2 gallons of gas, and if the gas you buy is $2.50 per gallon, what would you pay to fill one-half of your tank? - Phone number
Ivan's phone number ends with a four-digit number: When we subtract the first from the fourth digit of this four-digit number, we get the same number as when we subtract the second from the third digit. If we write the four-digit number from the back and - How many 17
How many fifths are there in four wholes? How many 1/5 are there in 4? - The temperature 14
The temperature is 12°C lower than 4 hours ago. a. What is the average temperature change per hour? b. Write an integer equation for the situation. - Determine 54881
On the tourist map with a scale of 1:50000, the section of the railway line between Bobrová Lhota and Javořiště is replaced by an arc of a circle with a radius of 6 cm. The arc is 90°. Determine the actual length of the track between the two villages. - Rectangular 54871
The arranger has at his disposal a certain number of colored targets, from which he wants to create a rectangular pattern of a flower bed. If he puts 4,5,6,8,9, or 10 targets in one row, he always has three extra targets. How many targets does it have? De - Washing machine
We paid an advance payment of 1/5 of the total price of the washing machine and then installments of 320 €. How much did the washing machine cost? - Aspect ratio
Determine the length ratio to the width of a picture frame that is 12 3/4 inches long and 8 1/2 inches wide. - Nick was
Nick was scuba diving at -32 1/2 feet. If he descends another 8 3/5 feet, what is his location? - Stop
Three trams pass through the stop on Malé náměstí. Tram number 9 arrives regularly at eight-minute intervals, train number 12 stops at the stop every 10 minutes, and the third tram line number 13 stops at the stop every 12 minutes. How many times will all - Dimension 54741
Column block shape dimension a = 25cm, b = 20cm, and volume 20dm³. Determine the height.
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