Maths practice for 11-year-olds. - page 183 of 224

Number of problems found: 4462

Change the numbers in the ratio
Change the numbers 29, 38, and 43 in a 3:4 ratio.
Unknown number 5
Daniel thinks of an integer. When he changed this number to a ratio of 2:5, he got the number 2.8. Determine what number Daniel thinks.
Expression: 3865
What is the value of this expression: (0.64^0.5): 4
Determine 3860
1/6 of y equals 8.6. Determine y.
Passengers 3859
Fifty passengers boarded the train at the station. And 79 passengers left it. Find out if more or fewer passengers continued to travel on this train and about how much.
Unknown number 6
Determine x if 1/6 of x equals 2/5 of the number 24.
Four-thirds 3852
Anton said: I have a natural number x. I'll get three times as much if I increase it to four-thirds. What number did Anton mean?
Smaller 3848
Dano had a natural number in mind. If he changed this number to a 2:5 ratio, he would get the number 24 smaller. What number did Dano think?
Identify 3828
Identify an unknown number whose 1/16 is 10.5, less than half of it.
Numbers 3819
Change the numbers 48, 27, and 36 in a ratio of 5:3.
Equals 3812
What is the ratio of 2⁸:2^-5 equal?
Calculate 3806
Calculate the perimeter of a square if its length equals 2/3 of the number 75.
Two rulers
We have two rulers. The scale interval on the first ruler is spaced 1 cm, and on the second is 15 mm. Rulers are attached to match the initial divider commas. What next dividers commas coincide? Find at least three cases.
Average speed
Michal left the house by car at a 98 km/h speed. He came into the goal place for 270 minutes. Determine the distance between the two places.
Hazelnuts 3786
Denis eats 12 hazelnuts in 1 day. How many more hazelnuts must he eat a day to eat 57 hazelnuts in 3 days if he ate the same amount of nuts every day?
Determine 3782
Determine the value of x if x^0.5 = 6
Evaluation
What is the result of the example (81¹/4): 4?
Pedestrian
Dana started at 10:00 from point A to point B. These points are 12 km away. Determine how fast Daniel went when place B arrived at 11:54. Speed express in km/h.
Expression 3764
Find the value of the expression 9^x / 4y if x = 0.5 and y = 2.25.
Traveling 3752
The car was traveling at a speed of 112.5 km/h. Determine what distance he would have walked in 144 minutes if he had kept going at the same pace.

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