Maths practice for 11-year-olds. - page 175 of 224
Number of problems found: 4479
- Formula expression
1 / f = 1 / a + 1 / b express b - Sequence members
Find out the other three members of the sequence and write their sum: 1,29,2,28,3,27, - Double-digit numbers
How many double-digit numbers range from 0 to 100? - Sports students The school has 120 athletes, 48 volleyball players, and 72 handball players with extended sports training. Is it possible to divide sports students into groups so that the number in each group is the same and expressed by the largest possible number?
- Cube painting
Entrepreneur Kostkoš wanted to produce colorful blocks for schools. But he gave them to another businessman to paint, who asked €1,117.2 for painting 1,000 cubes. The area that needs to be painted on one cube is 294 square centimeters. Please write how ma - Newspaper buyers
In the morning, 65 buyers bought newspapers or magazines at the PRESSCENTRUM stand. The newspaper bought 53 buyers and the magazine 24 buyers. How many buyers bought both newspapers and magazines? - Expression substitution
Substitute for variables and specify the value of the expression: a) x + y + 2x-3y. x = 1, y = 2 b) a + 5b-a + 4b. a = 8, b = -8 c) mn-5mn + 6mn. M = -3, n = -4 d) k + 10m + 5k-6m + 13km. k = 1, m = 0 - Classroom
One-eighth of the 9th class was interested in studying at a grammar school, a business academy one-sixth, and a secondary vocational school quarter to SOU third. The remaining three students were interested in the school of art direction. How many student - Hair salon customers
Sixty customers visited the hair salon. Customers were either blondes, brunettes, brunettes, or redheads. One in three was brunette, one in five was blonde, and one in fifteen was a redhead. How many brunettes were there in the salon? - Book cost
Four books cost m crowns. How many 5, 6, 7, 8 such books cost? - Fraction order
Arrange fractions in ascending order: 7/9, 5/6, 2/3, 11/12, 3/4; Write the resulting order as a 5-digit number, digit = order. - Expression evaluation Evaluate the expression 9-4x for x = 0, -2.3 / 4, 2.4, 5
- Expression - decimals Specify the value of the expression with decimal numbers: (4.416356) -7.152+ (74.855) =?
- Cube
One cube has an edge increased five times. How many times will larger its surface area and volume? - Chocolate sharing
Three classmates, Michaella, Brielle, and Jana, received a box of chocolates, which contained 81 packages of sweets. Michaella ate a third of the candies and Jana a sixth of the rest. How many candies are left for Brielle? - Simple equation
Solve the light equation: 2y + 3 + 3y = 3y + 2 - Target hits
Draw a target with the given radii. Mark Mirek's interventions and Pepi Mirek's interventions 4,0,3,5,3 Pepa had 14 hits for three shots. - Two friends
Two friends met as a good man perished together for a beer. After recovering the most important topics (politics, women, football ...), one asks: - And how many children do you have? - I have three children. - And how many years have you? A friend already - Motorcycles on autodrome
Three racing motorcycles drive at different speeds on the autodrome. One motorcycle can go around the circuit in 2 minutes, the second in 4 minutes, and the third in 7 minutes. If all three bikes enter the race track simultaneously, how long before they a - Ice cream flavors
Half of the class likes vanilla ice cream, half of the rest like strawberry, and the other six like hazelnut. How many children were there in the class?
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