Maths practice for 12-year-olds - page 246 of 355
Number of problems found: 7082
- Halves of Fractions Tenfold
What is half of 3/8 and 9/4? And write ten times bigger numbers. - Gold Ring Weight
14-carat gold. ... .585 per mille. In one kg. ... .585g gold. If the weight of pure gold in a ring is 7.2g, how much does the ring weigh? - Embassy Reception Languages Spoken
At the embassy reception, everyone knows at least one foreign language: 15 people speak English 12 people speak German 7 both How many people does this society consist of if no one speaks another language? - Annual rainfall
The average annual rainfall is 686 mm. How many liters will fall on the 1-hectare field? - Expression sum calculation
The expressions A = 8x + 17, B = -12x-12, C = 9x-10 are given. Two-fifths of the sum of expressions A, B, and C are equal ... - Age Twice Sister Ago
I was twice as old as my sister four years ago. How old am I today? - Fraction missing number
What number should be added instead of the question mark 25/45 =? / 24. And how do we find out? - Fractions Three-quarters of an unknown number is 4/5. What is 5/6 of this unknown number?
- Individual
On the hill behind Terchová, there is a sheepfold and a shepherd lives in it. He divided two hundred of his sheep into 4 groups in a mysterious way: If he had 4 more sheep in the first group, 4 fewer in the second, 4 times more in the third, and 4 times l - Candies Eaten Fractions
Vlado ate 1/5 of the candies. Marek ate 1/3 of the sweets, and Susan ate 21 candies. How many candies were together? - Motion against
From two places 36 km apart, a pedestrian and a cyclist will go straight opposite each other. How long will they meet if the speed of the pedestrian is 4 km/h and the cyclist 12 km/h? - Cost of Wooden Boards
How much do we pay for 15 pieces of boards 6 m long, 15 cm wide, and 25 mm thick if 1 m³ of boards costs 130 €? Round the price to the whole of €. - Field Plowed Hectares
Tractors plowed a field of 15 3/4 ha. It plowed 3 1/3 ha in the morning, 2 5/6 ha in the afternoon, and 4 1/4 ha at night. How many hectares were left to plow the next day? - Cyclist Meeting Hiker
The tourist went on a hike of 8 hours at a speed of 5 km/h. At 9:30, a cyclist set off behind him at a speed of 30 km/h. When will they meet? - Babysitting
Susan's hourly rate for babysitting is directly proportional to the number of children she watches. She charges $4.50 for three kids. How much would she charge for babysitting five kids? - Sharing Money Equally
Adam, Cyril, and Boris have a total of 102 CZK. How many crowns does Adam have, how many Boris and how many Cyril, if all three have the same when: a) Adam gives three crowns to Cyril b) Boris will give half of his money to Cyril c) Adam will give a third - Mug in Cube Box
A cylindrical mug is packed in a 1-liter cube paper box. The mug is in close contact with all the walls of the cube. What volume is my mug? - Ratio Convert Basic Form
Convert the ratio to the basic form: 3.5:70 - Office Carpet and Rails
The worker bought a new carpet with moldings for the square office. The rails for this office cost CZK 1,500; 15 CZK per 1 m. How many m² does this office, in which six people work? - Change Number in Ratio Change the number 132 in the ratio of 7:3.
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
