Maths practice for 10 year olds - page 61 of 66
Number of problems found: 1317
- Piggy
A man bought a pig for € 65, then sold it for € 75. Then again bought it for € 90 and sold it for € 100. How much € earned? - To thousands
Round to thousands of following numbers: 75225492791426955863585754416 - Balls
The boys changed stamps, beads, and balls. For 9 balls are 3 stamps, and 2 balls are 44 stamps. How many beads are for one ball? - Group
A group of kids wanted to ride when the children were divided into groups of 3 children, one remained. When divided into groups of 4 children, one remains. When divided into groups of 6 children, one remains. After being divided into groups of 5 children, - Remainders
It is given a set of numbers { 117; 136; 363; 419; 575; 651 }. Divide these numbers by number 58 and determine a set of remainders. As a result, write the sum of these remainders. - Car amortization
Assume that the car has a life 11 years and a new cost 19000 euros. Calculate how much a month is amortized cost of the car over its lifetime. Amortization is the gradual reduction of assets (cars, buildings), mainly due to use or aging. - Wood
Wood cube with edge 11 cm weights 0.753 kg. What weight have 10, 100, and 1000 these cubes?
- Wire
From wire 53 meters long, they cut 12.1 meters and then 13.1 meters. How many meters of wire are left? - Triangle
By calculation, determine if it is possible to construct a triangle with sides 10 21 19. - Working time - shortening
The media often speculates about the change (especially to shorten) the working time of the five-day, eight-hour working week to another working model. Calculate how many hours the employee would have to work a day at 3-day work week if he must work the s - Shaving
The mathematical problem from Sunday evening. If my beard grows at 0.52 mm per day and my length is 16.8 mm, how long do I not shave? - CD disc
A compact disc has a diameter of 11.8 cm. What is its surface area in square centimeters? - Neighbor angle
For 136° angle, calculate the size of the adjacent angle on one side of a straight line. - Angles
Which of those angles is obtuse? - Roman numerals 2+
Add up the number written in Roman numerals. Write the results as roman numbers.
- Roman numerals + Add up the number written in Roman numerals. Write the results as a decimal number.
- Cast brass
The brass cast weight was 3.84 kg. It had turned into piston weight 3.491 kg. How many grams of brass were turned off? - Drive
8 people take out at the bus stop, and 4 people take into the bus. Next stop 5 take out, and 4 take in. On the third stop, 8 takes out, and 10 takes in. The bus traveled further with 37 people. How many passengers were originally on the bus? - Thermometer
The thermometer showed -4°C in the morning. Then, the temperature increased by 5°C, again increased by 5°C, decreased by 1°C, and then decreased by 4°C. Which terminal temperature thermometer shows? - Brick
Brick weight before drying is 5.3 kg. After drying, the bricks are 1 kilograms lighter. After firing, 0.7 kg is lighter than after drying. What is the weight of the brick after drying and firing?
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