Maths practice for 12-year-olds - page 118 of 360
Number of problems found: 7199
- Central Park
Central Park is a rectangular park in New York City, and the map scale is 1 cm: 320 m (It means 1 cm on the map represents 320 m in the real world. ). Find the north-south distance if the length on the map is 2.5 cm. - Martina
Martina is solving the equation 4x - 11 = 2x + 391. Here are the first steps of her solution. 4x - 11 = 2x + 391 2x - 11 = 391 2x = 402 What did Martina do to get 2x - 11 = 391? - Bamboo 2
A piece of bamboo is 2 1/4 meters long. Jessie cuts 1 1/3 meters to be used for making some kites and another piece 3/4 meters long to be given to his friend. How long is the remaining piece of bamboo? - Marshall
Marshall earns a salary of 36,000 each year and receives a $4000 raise. Jim has a salary of 51,000 yearly, receiving 1500 bonuses. How many years will it take before Marshall and Jim are on the same salary? - Three 109 Three scouts brought three pieces of rope of lengths five and three-fourth meters, six and two-thirds meters, and five and five eight meters to their camps. How long are the three pieces together?
- Pizza cover
5/8 of the pizza is covered in mushrooms, 1/4 is covered with pineapples, and the rest is covered with only cheese. What fraction of the pizza is covered with only cheese? - The space museum
The science club is going to the space museum. The club consists of 27 students. If admission costs $6.50 for children ages 4–11 and $8.50 for children ages 12–17, how much will it cost for the entire science club's admission to the museum? Science Club S
- Nathan
Nathan is playing a trivia game. Each correct answer is worth 2 ½ points, and each incorrect answer is worth -¼ points. If he gets 35 questions correct and 32 questions incorrect, how many points does he have? A. 87.5 B. 79.5 C. 75 D. 8 - Twenty-euro 55331
Ivan went to the cinema with his friends. He bought five tickets for 57 cents, two popcorn for 66 cents, and 6 Coca-Cola for 1 euro and 9 cents. He paid with a twenty-euro bill. How many cents does he have left? - 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? - Calculate 55233
Calculate the pressure in the fluid: force F = 2,400 N The area on which the force S = 8 m² acts p =? - 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?
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