Maths practice for 12-year-olds - page 146 of 362
Number of problems found: 7223
- All tasks - taskman
Skilled workshop master washes client's car in 1/5 hour, cleans client's car in 5/4 hour, and paints small defects on car 1 1/3 hour. How long did it take him to do all the necessary work tasks? - Quadrilateral
The perimeter of a quadrilateral (four-sided plane shape) is 125 cm. How long is the fourth side of the three known sides measure a=12 cm, b=45 cm, and c=30.5 cm? - Divide 11
Divide the product of 4 and 5/8 by 1 1/2. Write your answer as a mixed number. - Three friends
John, Peter, and Pablo each carried a 24-liter bucket full of water down the hill. After they reached the bottom, John's bucket was only 3/4 full, Peter's bucket was 2/3 full, and Pablo's was 1/6 full. How many liters of water did they spill altogether on - Cereals
Ari and Joey share a 30-ounce box of cereal. By the end of the week, Ari had eaten 3/10 of the box, and Joey had eaten 3/5 of the box of cereal. How many ounces are left in the box? - Petra
Petra has 2 2/5 of a bag full of cat premium food. Her cat eats 2/95 of a pack per day. How many weeks does food last if a cat eats the same amount of food every day? - Honey 2
The baker has 3/4 liter of honey and decided to bake a few honeycombs and biscuits from it. He needed 1/6 liter of honey for honeycombs and 1/4 liter for biscuits. How much honey did she have left after baking honeycombs and biscuits?
- On Friday
On Friday, Amanda bought 5 ⅙ kg of dog food. She used 1 ¼ kg of it on her dog Gunner and 2 ½ kg of it on her dog Connor. How many kilograms of dog food did Amanda have left? - Julian
Julian picks 1 ⅗ kg fewer blueberries in the morning than in the afternoon. If Julian picked 3 ⅛ kg in the morning, How many kilograms of blueberries does he pick in the afternoon? - A glass
A glass holds 3/4 cups. A jug holds 12 cups. How many glasses can be filled? - Contains 42781
The box contains 18 plums, 27 apricots, and 36 pears. How many pieces of fruit remained in the box if Palo took 7/9 apricots, 1/2 plums, and 3/4 pears from it? - The study
James was preparing for a quiz. He studied 5/21 hours on Saturday and 2/7 hours on Sunday. How many hours did he study over the weekend? - The number 4
Two-thirds of a number is negative six. Find the number. - Tartlets
After a special event, a caterer examined the leftovers on the serving table. She saw 10/11 of a tartlet with apples, 2/3 of a tartlet with strawberries, and 10/11 of a tartlet with raspberries. How many leftover tartlets did the caterer have? - Shirts
In a classroom, 1/6 of the students wear blue shirts, and 2/3 wear white shirts. There are 36 students in the class. How many students are wearing a shirt other than blue or white?
- Between two mixed
What is the rational number between 2 1/4 and 2 4/5? - A 14.5-gallon
A 14.5-gallon gasoline tank is 3/4 full. How many gallons will it take to fill the tank? Write your answer as a mixed number. - Sunny windowsill
We place a cup of water on a sunny windowsill. After the first day, 3/2 centimeters of water evaporated. After the second day, another 4/3 centimeters of water evaporated. How much total water, in centimeters, evaporated from the cup after the first two d - A piece
A piece of wire that is 5.8 m long is to be cut into 15 pieces of the same length. What is the length of each piece? - Arelli
Arelli had 20 minutes to do a three-problem quiz. She spent 9 7/10 minutes on question A and 3 2/5 minutes on question B. How much time did she have left for question C? Solve on paper to find the answer as a fraction.
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