Maths practice for 10 year olds - page 49 of 64
Number of problems found: 1271
- Ball drawing
We put 5 blue, 4 red, and 7 yellow balls in an unmistakable bag. Fero's task is to draw a yellow ball while blindfolded. How many marbles must Fero draw to be sure that a yellow marble will be among the ones drawn? - Dividing by five and ten
Number 5040 is divided by the number 5 and by the number 10: a = 5040:5 b = 5040:10 - Charles Bridge
From 1900 to 1931, Charles Bridge was 15 times older than Frantův Bridge. How old is the Charles Bridge? - Pool perimeter
How many meters did the boys run if they ran three times around the pool, which is 50m long and 20m wide? - Children on trip
The children went on a school trip, not in triplets. Simona, Soňa, and Stáňa noticed that the seventh trio was in front and the fifth trio was in the back. How many children went on a school trip? - Czech crowns
Oldrich has one crown. Peter has five crowns coin, a two crown coin, and a one-crown coin. Radek has a twenty-crown banknote, ten banknotes, and a five-crown coin. The boys got one fifty-one crown and one crown coin. How can they share the money fairly wh - Flooring area
The room has the shape of a rectangle measuring 6m and 5m, the children's room has dimensions of 5m and 4m, and the bedroom has the shape of a square measuring 4m. How many m² of floating floors do they need in all rooms? - Decimal fractions
Calculate the value of the expression with decimal fractions: 156 - (4/10 + 3/100 + 5/1000) - Garden plan
Dad wants to draw a rectangular garden on the plan for this house, which measures 23m and 20m. What will be the sides of this rectangle on the plan in scale M 1:1000? - Unknown number
I think the number: Its half is 16 more than his quarter. I think the number is N. - Add symbols
Add marks (+, -, *, /, brackets) to fullfill equations 1 3 6 5 = 10 This math problem is for the 4th grade of primary school - with no negative numbers yet. - Square plot fence
The side of the square set is 60m long. Calculate the area in ares and the length of the fence - Hectares
The rectangular land is 350m long and 200m wide. Calculate the area in hectares. - Water level
We poured 3 liters of water into an empty aquarium, with a bottom dimension of 30x30cm and a height of 25cm. What is the level? - Egg cooking
Cooking one egg takes 4 minutes. How many minutes does it take to cook four eggs? - Waste removal
The family house residents pay for a 120-liter plastic container for waste per week. How much waste do I produce per year? How much will they pay annually for its removal if their garbage is taken out once a week and one removal costs 3.32 euros? - School scores
Dorothy had a total of 22 scores in her school book. She had three times less score 1 than score 3. She had only two scores 2. How many scores, 1 and 3, did Dorothy have in her school book? - Seedling standard
Three gardeners planted 3,555 seedlings in one day. The first met the standard. The second exceeded the standard by 120 seedlings and the third by 135 seedlings. What was the daily norm? - Number puzzle The difference between five and three times the number, what I think, is three greater than this number. What number do I think?
- Age puzzle
When asked how many years he has, Jeníček answered: In 12 years, I will be four times as many years as I had 12 years ago. How old is Honza?
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