Maths practice for 10 year olds - page 54 of 64
Number of problems found: 1263
- 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 362 people. Fifty of them stayed at elementary schools, 62 they slept with their friends, and others went to relatives. How many people have gone to relatives? - Nightingale
Nightingale sang for five seconds for 5 hours and 5 minutes. How many seconds were missing from singing 10 hours? - Pupils
Two classes want to collect money. Boys are four-seventh pupils. In time, a quarter of the boys and a sixth of the girls did not pay, which meant 12 sinners. How many pupils attend these two classes? - Straight lines
Draw two lines c, d so that c || d. On line c, mark points A, and B, from point A starts perpendicular to line c, from point B perpendicular to line c. - Grandmother
The children's grandmother bought two identical toy cars and a doll. Total paid 492 Kč. The doll was 150 Kč. How much money cost one toy car? - Freezer
The temperature is -8 degrees Celsius in the freezer. The outside temperature is 2 degrees Celsius. If we open the door, it takes one minute to change the temperature by one degree Celsius. How many minutes the temperature in the freezer will rise? - Square
Draw a square on the edge of a = 4 cm. Mark the center of symmetry S and all axes of symmetry. How many axes of symmetry do you have? Write down. - Rectangle
Draw a rectangle with the sides a = 4 cm, b = 5 cm. Mark the center of symmetry S and all axes of symmetry. How many axes of symmetry? Write down. - Infants water
The tank, which has ten hectoliters of water for infants, went 580 liters in the morning and 340 liters in the afternoon. How many liters are left in the tank? - Pump
The yard pump is dripping water. Every drop is 1 ml. How many drops will be necessary before filling a bucket with a volume of 10 l? Calculate how long it will take to fill the bucket when drops fall each second. - Square grid
A square grid consists of a square with sides of a length of 1 cm. Draw at least three patterns, each with an area of 6 cm² and a circumference of 12 cm, and their sides in a square grid. - Number train
The numbers 1,2,3,4,5,6,7,8, and 9 traveled by train. The train had three cars, and each was carrying just three numbers. No. 1 rode in the first carriage, and in the last were all odd numbers. The conductor calculated the sum of the numbers in the first, - Gardeners
Gardeners pay the city to lease one square meter of land CZK 3. How much do you pay each year? a) for 2 hectares b) 2 are 150 m² - Daughters
The man conducting the census asks a woman the age of her three daughters. The woman says when multiplying the age, get the number 72; if their ages add up, get a number of our house, as you see. The man says: That is not enough to calculate their ages. S - Women
In a company of 1050 employees, there are 2/3 women. How many women work in the company? - With bracket
Calculate (evaluate) a simple mathematical expression with negative numbers and a bracket: 13+15*5-2*(-6) - Daddy
Daddy is a 46-year-old, and his son is at the age of 16. When (which year) was/will daddy five times more years than his son? - Fence
If our garden is rectangular, measuring 20 m by 180 dm, how many meters of fencing must we purchase? - Soda
A pack of 12 sodas costs 5.04. What is the unit rate in dollars per soda?
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