Maths practice for 12-year-olds - page 76 of 349
Number of problems found: 6966
- Rana bought
Rana bought 30 liters of gasoline for 575 l per liter. She also bought 3 kg of motor oil for 9.750 l. Find the total amount of money Rana paid in one step only. - June bought
June bought 3 1/2 gallons of white paint at $17.50 per gallon and 1 3/4 gallons of blue paint at $19.00 per gallon. What was her total cost? - Five-digit 78944
What is an even five-digit number whose digit sum is 44? - The circle
If the radius of a circle is 3+root3, what is the area? - Trapezoid 78904
Calculate the middle crossbar of a trapezoid whose area is 111.8 cm² and height 6.5 cm. - A sports
A sports tournament has "n" teams. Each team has 17 players. Using "n", write an expression for the total number of players. - Parallelogram-shaped 78784
The old woman crocheted 1 meter of lace. Will it be enough to edge a parallelogram-shaped table with dimensions 35 cm and 16 cm? - Prism-shaped 78774
How many hectoliters of water are in a rectangular prism-shaped pool if the top is 6m wide, the bottom is 4m wide, the pool is 2m deep, and the pool is 12m long? - The Iceland
There is a geyser and a volcano in a nature reserve in Iceland. The geyser erupts regularly every 18 days, and clouds of smoke rise from the volcano every 40 days. How many times in the course of 9000 days will there be a situation where we can observe bo - Three 205
Three metallic bars of lengths 400 cm, 600 cm, and 720 cm are cut into equal pieces. Find the largest possible area of a square that can be made from any of the three bars. - Equation: 78654
Find x in the ratio equation: 2:1 4/5=x:3/5 - Pencils
You have 36 pencil crayons. How many pencil crayons make 1/2 of the total? - Mrs. Jones
Mrs. Jones bakes pies. She always cuts each pie into eight slices. There are 13 slices left on the counter. Write the number of pies on the counter as a mixed number. - Clothing
Peter went to the store with $100.00. He bought two belts for $14.00 each, three shirts for $15.00 each, and a pair of jeans for $25. How much money did he have left? Help: We say "a pair of jeans" to talk about one piece of clothing. For more than one, w - Ulysses
Ulysses bought 6 1/2 kg of beef, 3 3/4 kg of pork, and 5 1/2 kg of chicken. If 1 kg of beef costs 400 pesos, 1 kg of pork costs 300 pesos, and 1 kg of chicken costs 170 pesos. How much change is left if he gives 5,000 pesos for his purchase? - Calculate 78514
The block has a length of 12 cm and a width of 0.6 dm. The height is the same size as the edge of a cube whose volume is 64cm³. Calculate the volume of the cuboid in cm³. - Thabo Thabo uses 3 ½ liters of petrol per week for his motorcycle. How long will he be driving with 49 liters?
- Suzi starts
Suzi starts her hike at 225 feet below sea level. When she reaches the end of the hike, she is still below sea level at −105 feet. What was the change in elevation from the beginning of Suzi's hike to the end? - Energy drink
You have 1/5 of an energy drink left. If you drink 1/5 of that, how much of your energy drink did you have left? - Recycling center
Pavani collects 20.3 pounds of metal to take to a recycling center. The recycling center pays her for 18.4 pounds of the metal and refuses the rest of it. How much of Pavani's collection was refused in pounds? Enter your answer as a decimal, if necessary,
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