Maths practice for 11-year-olds. - page 178 of 222
Number of problems found: 4421
- 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? - Exponent division
Specify the value of this expression: 34:38. - Number ratio
Change the numbers 34, 21, and 5.5 in a ratio of 5:2. - Exponent comparison
How many times is the number 1012 greater than the number 10-4? - Block dimensions
The volume of the block is 1000 cubic meters. Food b = 8m, food c = 12.5m. How long is the party and? - Rectangular garden 4F
The fence around the rectangular garden measures 264 2/3 m. The length of the garden is 79 1/4 m. How wide is the garden? - Equation value
What is the value of x in this equation: 2.5x: 4 = 7.5. x is a natural number. - Set subsets
Identify all subsets of sets: {3,5,8}, {1,4}, {0}, empty set. Write down the number of subsets. - Expression calculations
Calculate: a) 23 - [2.6 + (6 - 9) - 4.52] b] 12.25 + 2 [2.7 - (-0.5 + 0.3 * 0.6)] - Napkin ribbon
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 cm². And also calculate its circumference. - Ball count
Roland has 490 balls. If he gave 145 bullets to Mark, he would still have 100 more bullets than Mark. How many balls did Mark 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. - Rails
18 m railway weighs 1260 kg. How much weighs 100 m of welded railways? - Expression evaluation
For the variables x = -8, y = 12, z = -5, evaluate these two mathematical expressions a = y-z b = z / (x-z) - Square diagonal
Calculate the diagonal of a square whose area equals 625 square centimeters. - Expression evaluation
For the variables x = 8, y = 12, z = -5, evaluate these two mathematical expressions a = y-z b = z / (x-z) - Fluid
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?
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