Maths practice for 12-year-olds - page 106 of 355
Number of problems found: 7081
- Douglas HS
Douglas High School is holding a fundraiser and plans to use 2/3 of the money collected to build a new library. Of the money directed towards building the new library, 1/5 will purchase computers. What fraction of the money raised will go towards purchasi - Hector
Hector has 3/4 hours to spend completing his homework. He wants to spend 1/3 of his time on math homework, 10 minutes on reading homework, and the remaining time on science homework. How much time, in minutes, does he have to spend on his SCIENCE homework - Sum or difference
Illustrate the sum or difference of the following expressions 1. 4/8+1/2= 2. 5/6-1/4= 3. 4-3/6= 4. 3/4+1/3= 5. 9/10-2/5= - Number rounding difference
By rounding the number X = 47,546 to thousands, we get the number of hundreds and the number Y. Calculate X-Y. - Illustrate Illustrate the following expressions, then solve. 1. 3-8/10= 2. 4-2/5= 3. 2-3/8= 4. 3-3/7= 5. 5-4/9=
- Cube face coloring
We painted a wooden cube with an edge 4 cm long with green paint over the entire surface. Then we cut it into small cubes with an edge length of 1 cm. The number of cubes that have precisely two faces colored green is: - Clock strike duration The wall clock strikes every full hour, as many strikes as there are hours. The pauses between punches last as long as the punches themselves. At 6:00, exactly 22 seconds passed from the beginning of the first stroke to the end of the last stroke. How lon
- Three-digit number
How many three-digit natural numbers can we form from the digits 0, 1, and 2 if the numerals can be repeated in these numbers? - Cube edges length
If we reduce the length of the cube edge by 30%, this reduced cube has an area of 1176 cm². Specify the edge length and volume of the original cube. - Horse head legs
A herd of horses grazes in the meadow. They have 78 legs more than their heads. How many horses are in the herd? - Number difference triple Three times the difference between 1.2 and 0.2
- Newspaper weekly sales
From Monday to Friday, 9650 newspapers were sold, on Tuesday 1680 were sold, on Monday 50 more than on Tuesday, on Wednesday the same as on Tuesday and on Thursday 2x more than on Tuesday. How many newspapers were sold on Friday? - A swimmer 2
A swimmer swam 48 kilometers in d days. What is the value of d if the swimmer swam an average of 3.2 kilometers daily? - Glass cylinder height
A glass in the shape of a cylinder with a base diameter of 6 cm can hold 4dl of water. Calculate the height of the glass and its surface. - Cancer - dies
One person dies from lung cancer in one and a half hours. How many people die every day? - Number multiplication division
What result do we get if we multiply 1/5 of 600 by three and divide the result by 1/10 of 100? - Each cement
Each cement block weighs 1 1/6 pounds. How much do three cement blocks weigh in total? How do you do this? - Bar equal parts
The 10m long bar comprises 4, 8, 3, and 6 equal parts. Express the length of one piece as a decimal number. - David 2
David poured orange juice into 7 cups. He poured 1/4 liter of orange juice into each cup. How many liters of orange juice did David pour altogether? - Blouse skirt combinations
Jana has three blouses, red, blue, and white, and three skirts, blue, black, and brown. In how many days will all combinations of blouses and skirts change?
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