Maths practice for 10 year olds - page 34 of 64
Number of problems found: 1263
- 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. - Each with each
Five pupils from the 3A class played table tennis. How many matches did they play with each other? - 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 - Difference 7387 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
- Parenthesis 7284
Tomas received nine cards with the following numbers and math symbols for math olympiad results. 18, 19, 20, 20, +, -, x, (,) Note 4 numbers and operators plus, minus, times, left parenthesis, right parenthesis. He stored the cards so that there were neve - Two-digit 7256
Write how many two-digit numbers have the sum of the digits 6? - Divisible 7255 Delete two digits from the number 547 191 807 to get the smallest number divisible by 5. Write the sum of the deleted numbers
- Benjamin 7254
The sum of the years of Simona, Karel, and Benjamin is 54. What will be the sum of their years by seven years? - Discounted tents
The tent cost the same everywhere. During the autumn discounts, tents were also discounted. The tent is now discounted by CZK 280 in one store and by CZK 360 in another. In which store is it cheaper and by how much? Do you need to know the price of the te - Nieuwerkerk 7229
The highest point of the Netherlands, Vaalserberg, is only 328m above sea level. The lowest place in this country, Nieuwerkerk, lies 7m below sea level. What is their height difference? - Multiples
What is the sum of the multiples of number 7 that are greater than 30 but less than 56? - Children 7200
The teacher tested the children on how many meters they would run in 12 minutes. How many minutes did the testing take when three teams took turns, and the breaks between all runs lasted 15 minutes?
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