Maths practice for 10 year olds - page 52 of 65
Number of problems found: 1295
- Whale weight
The largest mammal and animal ever is the giant flounder, which weighs up to 160,000 kg. How many times is heavier than a weighing elephant 4,000 kg? - Cigarette consumption
In 1983, the world produced 27 million cigarettes and cigars. If one person smokes 20 cigarettes a day, how many people smoked a day in 1983? - Population growth
The world's population is growing by 94,867,200 each year. How much is it a) month, b) day, c) hour, d) minute? - Elephant population
In 1979, 1.3 million elephants lived in Africa. By 1989, their number had dropped to 600,000. On average, how many elephants have died each year during this period? - Square area
The perimeter of the square is 380 dm. What will be its area? - Number puzzle
I think the number. If you multiply it by seven and add 3 to the product, you get 80. What number do I think? - Number division
Which number is five times less than the product of the numbers 15 and 7? - Vegetables in store
In the store, they had 5 times more cucumbers than carrots, which they had 9 kg. They had 5 times less parsley than cucumber, 7 times more onion than parsley, 27 kilograms less garlic than garlic than onion, and 9 times less broccoli than garlic. How many - Corn harvest
The farmer expected to harvest ten times more corn than he sowed. After the harvest, he had 20,600 kg of corn in the granary, 1,500 kg more than he expected. How much corn did he originally see? - Gingerbread house
Jane and Mary calculated that there were 210 gingerbreads on the gingerbread house. Johnny ate one-seventh of all gingerbreads, and Mary ate a third less than Johnny. How many gingerbreads remained in the gingerbread house? - Dripping tap
In one day, 168 liters of water flow out of a dripping water tap. How many days will 4.2 cubic meters of water flow out? - Addition count
How often do we add 25 to 124 to get the largest four-digit number? - Same sum and product
Which two single-digit numbers have the sum and product of the same number? - Bulb consumption
Eighty identical light bulbs shine in the sports hall for two hours. How long does it take to consume the same energy from 100 such bulbs? - Brick delivery
The truck driver drives bricks for construction. If he went three times a day, he would produce the bricks needed for construction in 12 days. How many times a day does he have to go to finish work three days earlier? - Punch cost
Three punch cuts cost as much as two creases. How much does it cost if five punch cuts cost 2 euros 50 cents? - Expressions
Find out value of expressions if a = -1, b =2: x=b - 2a - ab y=a³ - b² - 2ab z=a² b³ - a³ b² w=a + b + a³ - b² - Dress cost
Mom bought 4 meters of cloth for clothes. One meter of this substance costs 375 CZK. She also paid CZK 652 for sewing. Thus, the total price of the dress was CZK 652. - Digit count
How many numbers from 0 to 999 contain at least one digit, 5? - Zoo tickets
One children's ticket to the zoo costs €3. One ticket for an adult costs €6. Aunt Kate and Uncle Jano went to the zoo with the children. Uncle Jano paid for all the tickets at the box office. Aunt Kate then gave him €15 for herself and all the girls. How
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
