Maths practice for 12-year-olds - page 76 of 350
Number of problems found: 6992
- 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? - Payment of the bills
The treasurer is to pay the following amounts: €369 30c, €1426 25c, €694 17c, €1242 38c, €858 41c and €219 38c. How many hundred euros will he order at the bank to pay each amount accurately and, if possible, in the largest bills and coins? - 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. - 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, - Marksman 78334
The igniter cord used in normal quarry blasting burns at a rate of 8 mm/s, the length usually used is 60 cm. At what minimum speed must the marksman move to a shelter 150 m away? - A book 3
A book that is printed on both sides has 36 pages. If the book is 3/8 cm thick, determine the thickness of one page in cm. - Competitor 78234
The first competitor completed the track in 2h12min11s. How much worse was the other's time of 2h19min3s? - Your chocolate
Your chocolate chip cookie recipe makes three dozen cookies, but you need four dozen cookies. If the recipe requires 1 7/8 cups of vegetable oil, 2 1/2 teaspoons of almond extract, and 3 1/2 cups of oatmeal, how many ingredients are necessary for four doz - A parking
A parking garage has five levels below ground. Each level is the same height. Consider ground level to be 0. The depth of the fifth level of the parking garage is -118.5 ft. What is the depth of the first level of the parking garage?
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