Maths practice for 11-year-olds. - page 172 of 222
Number of problems found: 4421
- Bicycle wheel
After driving 157 m, the bicycle wheel rotates 100 times. What is the radius of the wheel in cm? - Equation solving
If we add 9 to its four times, we get 33. Make a notation and solve the equation - Pets in ZOO
The zoo has a run for pets. There are chickens, pigs, and cows. Altogether, there are 20 heads and 60 feet. How many chickens and piglets are there? - Subjects
A student takes 5 minutes to complete a maths problem and 12 minutes to complete a biology problem. One day, he has a combined homework assignment of 11 problems that takes him one and a half hours to complete. How many problems are from each subject? - Evaluate expression
Evaluate expression using the BODMAS rule: 1 1/4+1 1/5÷3/5-5/8 - Missing number Find the number that replaces the question mark: 1.4:? = - 6
- Christmas trees
The seller of Christmas trees sold spruces for 220 CZK, pines for 250 CZK, and hemlocks for 330 CZK. In the morning he had an equal number of spruces, hemlocks, and pines. In the evening, he had sold all the trees and received a total of 36,000 CZK for th - Dance group
What is the smallest number of members of a dance group with the same number of guys and girls, and at the same time they can form groups of three or five dancers while dancing? - Volume of an apple
How many apples will fit in a box measuring 20 cm × 50 cm × 25 cm? - Volume mixing
What will be the resulting volume V, if we mix liquids with volumes of 3hl and 200 cubic dm A) V = 0.32 cubic meters B) V = 0.50 m cubic C) V = 23hl D) V = 5m cubic - Fraction equation
Find the value of x: x-4 / 3x-5 = x + 3 / 10-6x - Circumference of isosceles tr.
In an isosceles triangle with a perimeter of 36 cm, the height at the base is 12 cm. Calculate the length of the arm of a given triangle. - Relationship - radius
Calculate the volume of the cylinder if the radius of the base is 3 cm, and the relationship between the radius of the base and the height of the cylinder is v = 3r - Square diagonal
Calculate the diagonal of a square if its area is equal to 169 square centimeters. - Majorette rows
During a public performance, majorettes line up in three-step, four-step, six-step, and eight-step. All rows are full with each grouping, and no majorette is promoted. Determine the smallest possible number of majorettes for which a performance can be mad - Family
The son is 3/5 smaller than the mother, who is 99 cm higher than the son. Thus, the mother is 3/5 taller than the son. - Toy store
In the toy department of the store, 28 dolls were exposed. Nineteen dolls were blondes or could speak, twelve were blondes, and 14 could speak. How many blondes could speak in the toy department? How many blondes could not speak? - Withdrawal
Suppose I withdrew 2/5 of my total savings and spent 7/10 of that amount. What fraction do I have left in my savings? - 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,
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