Maths practice for 10 year olds - page 47 of 58
Number of problems found: 1141
- Parenthesis
Fill in the examples correctly in brackets: A) 7.9+12:3-2 =23 B) 7.9+12:3-2=75
- Perpetrator
A perpetrator is a number that is smaller than the number 80. It is a multiple of five, and it is odd. If we add up the tens and ones of this number, we get the number 8.
- Televisions
Television is the fifth most expensive and tenth cheapest TV. How many different TVs are in stores?
- Football team
The football team has black, purple, and orange shirts, blue and white shorts, and striped and gray socks. How many different outfits may players start?
- Cakes
A few cakes were in the bowl. Jane ate one-third of them, and Dana ate a quarter of the remaining cakes. a) What part (of the original number of cakes) Dana ate? b) How many cakes could be (initially) on the bowl?
- Ferko
Ferko boarded the tram, which already had 19 passengers. At the first stop, the tram left twice as few passengers, and at the second stop, twice less. The third stop was final. How many passengers left with Ferko at the third stop?
- Paper collecting
At the paper collecting contest, Franta gathered 2/9 tons, Karel 1/4 tons, and Patrick 19/36 tons of paper. Who has gathered the most and the least?
- Package
The package was 23 meters of textile. On the first day, it sold 12.3 meters. How many meters of textile remained in the package?
- Area of square
Calculate the area of the square whose perimeter is 24 dm.
- Seeds
Of the 72 wet seeds, 7/8 germinated. How many seeds germinate?
- Chocolate
Children break chocolate first to third and then every part of another half. What kind got each child? Draw a picture. What part would have been received if each piece had halved?
- Different 2283
The shop had mugs of different shapes, sizes, and patterns. The seller divided them into four groups. Write down how he divided them.
- Fence
The square garden has an area of 537 m². How many meters of netting is necessary to fence it?
- LCM
The common multiple of the three numbers is 3276. One number is in this number 63 times, the second 7 times, and the third nine times. What are the numbers?
- Carpet
What is the price of a square carpet side length of 3.25 m if a one-meter square costs 230 CZK?
- Expression: 2251
Find the value of the expression: (12 - [- 3]) · (44:11)
- Day Number
The day number is the serial number of the day in the relevant month (i.e., the number on 5 August 2016 is 5). The digit sum of the day is the sum of the values of all digits on the date of that day (i.e., the digit sum on 5 August 2016 is 5 + 8 + 2 + 0
- Chamber
In the chamber, light is broken, and all from it must be taken at random. Socks have four different colors. If you want to be sure of pulling at least two white socks, we have to bring them out 28 from the chamber. To have such certainty for the pair of g
- Flood water
Flood waters in some US villages meant the homes had to be evacuated 252 people. Fifty of them stayed at elementary schools, 61 they slept with their friends, and others went to relatives. How many people have gone to relatives?
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