Maths practice for 11-year-olds. - page 136 of 222
Number of problems found: 4421
- Three Siblings Ball Cost
The three siblings bought a ball together. Lada continued to pay half of the money, Mira a quarter, and the rest, CZK 20, paid by Norbert. How many crowns did the ball cost? - 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 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? - Fraction product puzzle
Find such a fraction to the fraction that their product is equal to 8/11, 4, 1/100, 13/4, 1/3 - Fractions 4 How many 2/3s are in 6?
- Hexagonal pattern
The figure shows two rows of hexagonal boxes that continue to the right without restriction. Fill in one field with one positive integer so that the product of the numbers in any three adjacent fields is 2018. Determine the number that will be in the top - Steamers Port Meeting Time
Three steamers leave the port. The first regularly returns after three months, the second after four, and the third after six months. How long before they meet again in the port? - Brick transportation calculation
They drove X bricks seven times by car. If they always loaded the same number of bricks, how many bricks did they move at once? - Temperature increase
Suppose the temperature at 9:am is 50 degrees. What is the temperature at 5:00 pm if the temperature increases by 4 degrees Fahrenheit each hour? - Christmas Gingerbread Distribution
The old mother baked 275 Christmas gingerbreads and kept three-fifths of them, dividing the rest among her children in a ratio of 3:4:2:1. How many gingerbreads did she give each? - Circle center distance
Circles with radii r1 = 10 centimeters and r2 = 4 cm touch from the outside. What is the distance between their centers? - Two vans
At 8:30 AM, two vans leave a car park and travel in opposite directions: one at 48 km/h and the other at 62 km/h. At what time will the two vans be 550 km apart? - Expression with Unknown Number
From the sum of the unknown number and the number 17, subtract the difference of these numbers in that order. - Without 2
Tell whether the product 0.644 x 0.25 will be greater than one or less than 1 without multiplying. Explain how you know. Then, find the product. - Plot width calculation
Two brothers wanted to have the same area of land. One chose a square plot with a side length of 60 m. The second brother chose a rectangular plot of land with a side length of 80 m. What is the width of the second brother's plot? - Walking
Lucy can walk about 3 4/5 miles each hour. How far can she walk in 2 hours 45 minutes? - Playground mantel length
The playground floor plan consists of a square with a side of 8 meters and two semicircles. Calculate the length of the mantel, which is around the perimeter of the field. - One kilogram
The apple weighs 125 grams and is half an apple. How many apples weigh 1 kilogram? - Four-fifths of the pool
The rectangular pool, with bottom dimensions of 12 m and 25m, is 200 cm deep. The first faucet flows 2.4 hl per minute and the second 6 l per 1 second. How long will it take for the pool to be filled to four-fifths of its height? - Jose and Kaitlyn
Jose and Kaitlyn have a contest to see who can throw a baseball the farthest. Kaitlyn wins with a throw of 200 ft. If Jose threw the ball 3/4 as far as Kaitlyn, how far did Jose throw the ball?
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