Maths practice for 12-year-olds - page 136 of 350
Number of problems found: 6999
- Function's 48141
Calculate and write in the table 10 values of the function f: y = 3x + 1, and the function's graph from them. - Expression with brackets
Evaluate the expression. 15+[(9-4)×22] - Farmer 5
Farmer Joe ordered three bags of soil last month. Each bag weighed 4 ⅖ kilograms. He used the first bag in a week. At the end of this month, 2 ¾ kilograms of soil were left in the second bag and ⅞ kilograms of soil left in the third bag. How much soil was - Three rectangles
Some wire is used to make three rectangles: A, B, and C. Rectangle B's dimensions are 3/5 cm larger than Rectangle A's dimensions, and Rectangle C's dimensions are again 3/5 cm larger than Rectangle B's dimensions. Rectangle A is 2 cm by 3 1/5 cm. What is - Here are
Here are white, blue, and red boats in a marina. Two-thirds of the boats in the marina are white, 4/7 of the remaining boats are blue, and the rest are red. If there are 15 red boats, how many boats are in the marina? Which tape diagram represents how man - Dimensions 48033
A cube has an edge of 30cm. The cuboid has dimensions of the lower base, 45cm, and 10cm. What is the height of a cuboid if it has the same volume as a cube? - Water tank
The block-shaped tank is 2.5 m long, 100 cm wide, and 12 dm high. Water flows into the tank at 40 liters per minute. In how many minutes will it be filled with water to two-thirds? - Grandfather
Grandfather brought a full bucket of blueberries to the market and sold one-sixth of them in the morning. When he sold another 12 liters of blueberries in the afternoon, he had one-sixth of a bucket of blueberries left. How many liters of blueberries are - Minutes 47973
The workers halved the planned break, so it lasted 42 minutes. How many minutes would it take to extend it by only a quarter? - Calculate 47933
Calculate the weight of the steel roller if d = 2.4 cm, height v = 5.6 cm, density ρ = 8 g / cm³. - Cylindrical tank
The tank has the shape of a rotating cylinder with a base diameter of d = 3.4 m and a height of 4.5 m. How many liters of water are in the tank if the tank is filled to 2/3? - Circumference 47893
The rectangle has an area of 19.84 cm2, and the longer side of the rectangle measures 62 mm. What is the circumference of a rectangle? - Waste container eco
The waste box is shaped like a block and has dimensions of 1.8 m, 1.5 m, and 1.2 m. If 0.25 m³ of waste is added to it every day, how many days will it be filled? - Three days way
The tourist walked a quarter of the way on the first day, a third of the rest on the second day, and 20 km on the last day. How many km did he cover in three days? - Calculate 47773
Calculate the volume of a cube whose surface is 15,000 cm². Express the result in liters. - Half-filled 47753
The shaped container with a bottom diameter of 25 cm and a height of 30 cm is half-filled with oil. How many liters of oil are in the container? Please round the result to three decimal places. - Translate
Translate the following mathematical statement into an algebraic expression or equation. 1. Nine less than the quotient of a number and 3 2. The ratio of 3 and the sum of 4 and an unknown number 3. Eighty is the product of 4 and g 4. The sum of x and 18 i - Output 47613
Pump with an output of 3/8 hl of water in 1 min. How long does filling a 3/4 cubic meter tank with water take? - Part-time workers
On Saturday, 210 part-time workers arrived in the village. One hundred five part-time workers worked in the first field, 60 in the second. The other part-time workers worked in the third field. They all worked in equal groups. How many workers worked in e - Cubes 47583
How many small cubes do we get when we cut a cube with an edge of 27 cm into cubes with an edge of 3 cm?
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