Maths practice for 11-year-olds. - page 157 of 197
Number of problems found: 3937
- Percentage 3980
Calculate the percentage of waste when we cut out 4 of the largest possible circles from a square sheet with sides of 1 meter. - Collected 3972
Pupils collected 3,740 kg of scrap iron, 140 kg more than nine times what Palko himself collected. How much scrap did Palko collect? - Cheetah
The cheetah elapses 150 m for 5 seconds, the eagle reaches speeds up to 230 km/h, and the dolphin swims 1.2 km per minute. Which animal is the fastest and slowest? The results are written as meters per second (m/s). - Customer
A customer purchased three (3) writing pads from a store. She receives a k9.70 change from a k10.00 note. How much does its writing pad cost?
- Expression: 3967
Specify the value of this expression: 34:38. - Numbers 3965
Change the numbers 34, 21, and 5.5 in a ratio of 5:2. - Greater 3964
How many times is the number 1012 greater than the number 10-4? - Volume 3960
The volume of the block is 1000 cubic meters. Food b = 8m, food c = 12.5m. How long is the party and? - Equation: 3955
What is the value of x in this equation: 2.5x: 4 = 7.5. x is a natural number.
- Identify 3954
Identify all subsets of sets: {3,5,8}, {1,4}, {0}, empty set. Write down the number of subsets. - Calculate: 3944
Calculate: a) 23 - [2.6 + (6 - 9) - 4.52] b] 12.25 + 2 [2.7 - (-0.5 + 0.3 * 0.6)] - Rectangular 3941
Petra invited her friends Olga and Pavel to sew. Olga sewed three tablecloths, Pavel two, and Petra five rectangular napkins measuring 39 times 30 cm. Was it enough for them to decorate 15 meters of ribbon? - Lcm simple
Find the least common multiple of these two numbers: 140 175. - Square s3
Calculate the square's diagonal, where its area is 0.49 cm square. And also calculate its circumference.
- Beginning 3930
Roland has 490 balls. If he gave 145 bullets to Marek, he would still have 100 more bullets than Marek. How many balls did Marek have at the beginning? How many shots do they have together? - Order Fractions
Arrange the fractions from the smallest to the largest. 2/5, 15/6, 1/4, 5/5, 5/4, 4/10, 6/5. - Mathematical 3918
For the variables x = -8, y = 12, z = -5, evaluate these two mathematical expressions a = y-z b = z / (x-z) - Centimeters 3913
Calculate the diagonal of a square whose area equals 625 square centimeters. - Mathematical 3911
For the variables x = 8, y = 12, z = -5, evaluate these two mathematical expressions a = y-z b = z / (x-z)
We have vessels containing 7 liters, 5 liters, and 2 liters. The largest container is filled with fluid, and the others are empty. Can you only get 5 liters and two 1 liter of fluid by pouring? How much pouring is needed?Do you have unsolved problem that you need help? Ask a question, and we will try to solve it. Solving math problems.
