Maths practice for 12-year-olds - page 110 of 351
Number of problems found: 7017
- Three cottages
141 guests are accommodated in 3 cottages. In the second cottage, there are eight more guests than in the first cottage, and in the third cottage, there are 14 more guests than in the second cottage. Find out how many guests are staying in the first cotta - A rectangular 5
A rectangular picture frame is made of wooden strips ¾ inch wide. The outside edge of the frame is 8 ¼ inches long and 6 ¾ inches wide. Can a rectangular picture 7 inches long and 5 ½ inches wide fit inside the frame? CLEARLY EXPLAIN your answer. - The formula
The formula for the area of a circle is (Pi x r x r), where r = measure of the radius and Pi = 3.14. What is the area of a circle whose radius measures 1 cm? - 3 9/10
3 9/10 is the same as the sum of 3 1/3 and half of a number. - How many 18
How many times would five be distributed by 1/4, 3/8, 5/8, and 1? - Students
There are 15 boys in a class of 40 students. What fraction of the class are girls? - Girls and boys
In a class of 40, 4/5 are boys. How many are girls? - Rectangular field 4
Find the perimeter of a rectangular field whose length measures 5.20 m and its width measures 3.4 m. (Use the formula: Perimeter= 2L+2W) - Star equation
If 5/21 + 14/21 + ☆ = 1, then what is the value of ☆? - Calculate
Each of the 30 students speaks either English or German. Three of them speak both languages. Who speak only German are three more than those who speak only English. Calculate using a Venn diagram: Students speak English. Only A students speak English. N s - Children per woman
Calculate the average number of children per woman (arithmetic mean of the number of children) in a certain workgroup of women. The following numbers of children were found: 0, 1, 3, 2, 2, 1, 0, 3, 1, 1, 0, 1. - Cylinder S,V
What is the volume and surface area of a cylinder whose base has a diameter of 3.15 cm and a height of 25 cm? - The morning
The temperature rose 9 degrees from 10:00 AM to noon. By 3:00 PM, the temperature had doubled. From 3:00 PM to 6:00 PM, the temperature rose 4 degrees to 96 degrees. What was the temperature at 10:00 AM that morning? - Jožko 59553
Joseph has five teeth. He'll lose half a tooth in 3 days. How many teeth did he lose in 5.3 days? - Wednesday 59483
The eighth graders took part in the planting of saplings in the forest for four days. On Monday, they planted a quarter of all the saplings they were supposed to plant. They planted a third of what they had left from Monday on Tuesday. On Wednesday, half - The sum 18
The sum of the three angles in a triangle is 180°. Find the 3rd angle of a triangle if the 1st and 2nd angles measure 58.3° and 45.5°. - The ratio 6
The ratio of cats to dogs is 2 to 5. If there are 35 total animals in the shelter, how many dogs are there? - Fruits 6
Ten mangoes, six guavas, and eight chicos are in a basket. What part of the total number of fruits are guavas? - The wire
A 5/6 meter wire is to be cut into pieces that are 1/12 meter long. How many pieces can be cut from the wire? - Janna
Janna takes her medicine three times a day. If 2 1/2 ml is taken each time, how many days will a 60 ml medicine last?
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