Maths practice for 10 year olds - page 35 of 65

Number of problems found: 1296

Discount sale
After a discount, a computer costs 9,600 CZK. What was the original price if the shop reduced it: a) by half? b) by a third? c) first 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. Mark 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
Card expression
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
Anti-birthdays
Štefka likes to celebrate, so apart from her birthday she came up with anti-birthdays as well: the date of anti-birthdays arises so that the number of the day and the number of the month in the date of birth are swapped. She herself was born on 8.11., so
Two-Digit Numbers Sum
Write how many two-digit numbers have the sum of the digits 6?
Number deletion puzzle
Delete two digits from the number 547 191 807 to get the smallest number divisible by 5. Write the sum of the deleted numbers
Age sum calculation
The sum of the years of Simona, Carl, 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
Z5 – I – 2 MO 2018
Tereza received four identical right-angled triangles with sides of lengths 3 cm, 4 cm, and 5 cm. From these triangles (not necessarily all four) she tried to put together new shapes. She gradually managed to put together quadrilaterals with perimeters of
Netherlands Height Difference
The highest point of the Netherlands, Vaalserberg, is only 328 m above sea level. The lowest place in this country, Nieuwerkerk, lies 7 m 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?
Running Test Time Total
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?
A koala
A koala lives to be 14 years old in the wild. How much longer will a 2-year-old koala probably live?
The third
The one-third rod is blue, one-half of the rod is red, and the rest of the rod is white and measures 8 cm. How long is the whole rod?
Sweets Eaten Comparison
Setters Janko and Danko argued. She ate twice as much chocolate as I did! Janka shouted at her sister. "So what, yesterday you ate mine and your Horalka!" answered Danka. How many more sweets did Janka eat if the whole chocolate was 600 grams and Horalka
Crayon count
Michelle has five crayons. Victor has fewer of them than Michelle. Wendell has as many as Michelle and Walt have together. All three have seven times more crayons than Victor. How many crayons does Wendell have?
Clubhouse
A clubhouse contained only chairs and tables. Each chair had 4 legs and each table had 3 legs. A group of scouts arrived; each sat on a chair, 2 chairs were left empty, and the total number of legs in the room (people + furniture) was 101. How many chairs

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