Maths practice for 10 year olds - page 34 of 64

Number of problems found: 1271

Lake or pond
The landlord has a square lake. Trees grow around it. The lake wants to enlarge the pond twice without cutting down or flooding any trees. How will he do that?
Ski Trip Purchase Cost
On a skiing trip, Eva bought two colas for 1 euro and 50 cents each, two muesli bars for 50 cents, and bananas for 2 euros and 50 cents. How much did it cost to buy it in total? How much of the 10 euro bill did they give her back at the cash register?
Voting
Four hundred employees voted in a board member election with only two candidates. One hundred twenty people vote for candidate A, while half of the remaining voters abstain. How many votes does candidate B receive?
Bean Game Winnings
In the first game, Jano 39 won, and Jano won 28 beans in the second game. How was Jano after these games? Overall, who won or lost?
Triplets or quadruplets
There are 24 children in the class. How many triplets or quadruplets can they create if they want to work in groups?
Five-digit even number
Write a number 5792 smaller than the smallest 5-digit number composed of various even numbers.
The rod
The rod has a length of 90cm. Half is painted blue, the third is red, and the rest is yellow. How long is the yellow part of the rod?
Vegetables - store
They brought 1610 kg of vegetables and 887 kg less fruit to the warehouse. How many kg did they get together?
Addition of mixed numerals
Add two mixed fractions: 2 4/6 + 1 3/6
Eggs
3400 eggs sliced hens for February and March. We must calculate how many hens can make 3400 eggs when one hen gives two eggs a day for 59 days.
She encoded
Aunt Heda likes puzzles, but her memory is no longer working for her. She chose the 4-digit code on her mobile phone as follows: She encoded her name according to the order of the letters in the alphabet (A=1 B2 C3 D4 E5 F6 G7 H8 I9 ) inserted one multipl
Workers
Three factory operators produced 480 units in 50 minutes. How many hours worked? I'm trying to prove or disapprove of the idea that the company tells me it's 2.5 hours. So what is right? Thank you, Petra.
The average
The average of one set of 4 numbers is 35. The average of another set of numbers is 20. The average of the numbers in the two sets is 30. How many numbers are there in the other set?
Fraction of a fraction
What is two-quarters of twelve?
School club
The sports club at school is attended by boys and three fewer girls than boys. How many girls attend the circle?
Discount sale
After the discount, the computer costs 9600 CZK. How much did it cost when the shop reduced the price: a) by half b) by a third c) by one-fifth and then by 160 CZK
Expression with Unknown Number
From the sum of the unknown number and the number 17, subtract the difference of these numbers in that order.
One kilogram
The apple weighs 125 grams and is half an apple. How many apples weigh 1 kilogram?
Pimps
There were 24 pimps on the plate. Maros ate 12, his little sister four times less. How many pimps remained on the plate?
Missing numerals
John described the example but forgot the numerals. Fill them in so that the result is correct. (2 solutions): 3 3 3 3 = 8

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