Maths practice for 12-year-olds - page 14 of 348
Number of problems found: 6951
- The human
The human body is 2/3 water. What part of the human body is not water? - An electricity
If the Rodriguez family used 520 kilowatt-hours of electricity in 12 days, how many kilowatt-hours should they use in 6 days at the same usage rate? - If you 4
If you take away 1 ¾ from 3 1/3, the answer is 2 2/3. Is this correct? - A string
A string 2 4/5 m long is cut into 6 pieces. How long is each piece? - The bedroom
The area of the rectangular bedroom is 136 5/8 square feet. If its width is 12 3/4 feet, find its length in simplest form. - A ribbon 3
A ribbon, which is 6 2/3m long, is cut into two pieces. The length of one piece is 1 2/3 m. Find the length of the other piece. - Jennifer
Jennifer has 10 pets. Two-fifths of the pets are cats, one-half are fish, and one-tenth are dogs. How many of each pet does she have? - Soil erosion
From 1842 to 1875, the yearly erosion of 61/100 meters to a maximum of 1 17/50 meters. By how much did these rates of erosion differ? - Field trip 2
A principal is organizing a field trip for more than 400 students. She has already arranged the transportation for 280 students. Each school bus has the capacity to transport 40 students. Find the number of school buses still needed to transport all of th - Jeremy
Jeremy practiced the piano for 1 and 3/4 hours during the week. He practiced 1 and 1/3 hours less during the week than over the weekend. How long did he practice the piano over the weekend? - Washing cars
Frank takes 3 and 1/4 hours to wash six cars. How long will it take to wash 12 cars, 18 cars, and 24 cars? - Latanya
Latanya plans to repaint some classroom bookcases. She has 5 3/5 gallons of paint. All bookcases are the same size, and each requires 1/2 gallon of paint. What is the maximum number of complete bookcases she can paint? - Vegetable storage
To help vegetables stay fresh longer, Liam's family maintains storage near their home. The total volume of the root cellar is 737 cubic feet (ft³). Use the fact that 1 foot is approximately equal to 0.3048 m to convert this volume to m³. Round your answer - Nisha
Nisha likes to make small rectangular paintings of cats. One of her paintings has an area of 33cm squared and a width of 7 1/2 centimeters. What is the height of this painting? - Muffins 3
Adela went out and bought some muffins. She gave 27 to Jack and 2/7 of the rest to her brother. She is then left with 1/2 of the number of muffins she had before. How many muffins did Adela have at first? - Temperature minus
On a very cold day in January, the temperature started at -12 degrees. The temperature rose 20 degrees during the day. That evening, the temperature fell 10 degrees. What is the temperature at the end of the day? - GCD&LCM of three
GCD of three numbers is 30 and LCM is 900. As two the are 60 and 150, find the number. - Julian 3
Julian had 7 cookies and gave half of them to a friend. How many cookies did his friend get? - Carla 4
Carla is hanging a quilt that is 0.8 meters wide on a wall that is 3.3 meters wide. Carla wants the quilt to be centered on the wall. Which of the following is the most reasonable estimate for the space on either side of the quilt when it is perfectly cen - A high
A high school track team's long jump record is 23 feet, 11 3/4 inches. Paul's best long jump is 23 feet and 3 1/2 inches this year. If long jumps are measured to the nearest quarter inch, how much farther must jump to break the record?
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